Erik Per Sullivan, an American Actor, is a cast member for Malcolm in the Middle: Life’s Still Unfair, which premiered on the 10th of April 2026, on Hulu and Disney+. He is popularly known for making appearances in movies/series/shows such as Christmas with the Kranks and Mo.
Erik Per Sullivan Height|Weight
Sullivan stands at approximately 5 feet 9 inches and weighs around 70 Kg.
Erik Per Sullivan Age|How old is Sullivan?
Sullivan was born on the 12th of July 1991, in Worcester, Massachusetts, United States. He celebrates his birthday on the 12th of July every year. He is 34 years old today.
Erik Per Sullivan Parents|Siblings|Relatives
Sullivan is the only child of his mother, Ann, who was born in Sweden and later became a naturalized American citizen in 2007, and his father, Fred Sullivan, who is of Irish descent. His father owned a Mexican restaurant called The Alamo. Sullivan speaks some Swedish, and his family reportedly visits Sweden almost every year. From a young age, he studied both the piano and the saxophone. He also trained in martial arts and achieved a first-degree black belt (1st Dan) in Taekwondo.
Erik Per Sullivan Photo
Erik Per Sullivan Net Worth|What is Erik’s Net Worth?
In the course of his career as an Actor, Erik has accumulated a net worth of between $500,000 and $4 Million.
Erik Per Sullivan Partner|Wife|Is Per Sullivan Married?
Information on whether Erik is married is not publicly available. We will, however, update this information once more information is available to the public.
Erik Per Sullivan Educational Background
Erik Per Sullivan studied at Mount Saint Charles Academy in Rhode Island and later attended Phillips Exeter Academy in New Hampshire. Beginning in 2009, he enrolled at the University of Southern California in Los Angeles.
Erik Per Sullivan Job|Career|Biography
Erik Per Sullivan is an American former actor best known for playing Dewey in the Fox sitcom Malcolm in the Middle. From January 9, 2000, to May 14, 2006, Sullivan appeared in Malcolm in the Middle as Dewey, the younger brother of Malcolm. In 2005, together with his co-star Jane Kaczmarek, he wrote the afterword to the children’s book Together, which focuses on farming and was inspired by the nonprofit organization Heifer International.
Sullivan also worked in film during his acting career. He had a starring role in the 2004 comedy Christmas with the Kranks and appeared in various other projects. These included the title role in the independent film Mo. In addition, he provided the voice of Sheldon the Seahorse in the animated film Finding Nemo and its related video game adaptation.
His final acting credit came in the 2010 film Twelve, which he appeared in at the age of 18. After that, Sullivan stepped away from acting and has largely kept a low public profile. He has not participated in several reunions of the Malcolm in the Middle cast and did not return for the show’s revival, where the role of Dewey was taken over by Caleb Ellsworth-Clark.
According to Jane Kaczmarek in 2025, Sullivan had been studying Victorian literature. In a 2025 interview, Bryan Cranston stated that Sullivan was pursuing a master’s degree at Harvard University. Despite staying out of the spotlight, he has reportedly remained supportive of his former castmates and the legacy of Malcolm in the Middle.
Erik Per Sullivan Filmography
Erik Per Sullivan Film
Erik Per Sullivan began appearing in films as a child actor in the late 1990s. In 1998, he had an uncredited role as a kid with a rocket ship in Armageddon. The following year, he appeared as Fuzzy in The Cider House Rules. In 2001, he played Miles in Wendigo and also portrayed Little Joe Dirt in Joe Dirt.
In 2002, Sullivan appeared as Charlie Sumner in Unfaithful. The following year, he voiced Sheldon the Seahorse in the animated film Finding Nemo. He later starred as Spike Frohmeyer in the holiday comedy Christmas with the Kranks. In 2006, he provided the voice of Mino in Arthur and the Invisibles (also known as Arthur and the Minimoys). That same year, he appeared in the short film Once Not Far from Home as the Little Boy. In 2007, he played the title role in the independent film Mo. His final film appearance came in 2010 when he portrayed Timmy in Twelve.
Erik Per Sullivan Television
Sullivan also appeared in several television projects. In 2000, he played Tucker Banger in the pilot episode of Wonderland. That same year, he began his most famous role as Dewey in the Fox sitcom Malcolm in the Middle, appearing in all 151 episodes from 2000 to 2006. During this period, he made guest appearances on other television shows. In 2001, he appeared as Jimmy in Black of Life. Later on, in 2002, he played Young Arthur in an episode of The King of Queens titled “Shrink Wrap.” In 2006, he also appeared as Young Luis in an episode of Come On Over.
Erik Per Sullivan Awards and nominations
Erik Per Sullivan Awards
Sullivan received several nominations and awards for his performances during his acting career. In 2000, he won a YoungStar Awards for Best Young Ensemble Cast on Television for Malcolm in the Middle.In 2001, he was nominated for the Young Artist Awards for Best Ensemble in a TV Series (Drama or Comedy) and for Best Performance in a TV Series (Comedy or Drama): Young Actor Age Ten or Under. That same year, he was also nominated for the Teen Choice Awards in the category TV: Choice Sidekick.
In 2002, he again received nominations at the Young Artist Awards for Best Ensemble in a TV Series and Best Performance in a TV Series (Comedy or Drama): Young Actor Age Ten or Under. He was also nominated once more for the Teen Choice Awards for TV: Choice Sidekick. In 2003, Sullivan won the Young Artist Award for Best Ensemble in a TV Series (Comedy or Drama) and received another nomination for the Teen Choice Awards in the TV: Choice Sidekick category.
Erik Per Sullivan Malcolm in the Middle: Life’s Still Unfair Characters
Malcolm (played by Frankie Muniz) is the central character of the television series Malcolm in the Middle. Malcolm is portrayed as a highly intelligent child with an IQ of 165 and a photographic memory. Because of his exceptional intelligence, he is placed in a class for gifted students at school known as the “Krelboynes.”Despite his intelligence, Malcolm struggles with feeling different from others and often finds it hard to fit in socially. His large ego and sharp, sarcastic personality frequently lead him into trouble throughout the series. At the beginning of the show, Malcolm is the middle child among the three brothers living at home and is chronologically the middle son of Hal and Lois. However, even with his academic abilities, he can be just as immature and mischievous as his brothers, often leading them in various schemes and chaotic adventures.
Throughout the series, Malcolm seeks independence from his strict and controlling mother, Lois, and frequently tries to be treated as her equal. However, Lois keeps a close watch on him and often makes decisions she believes will benefit his future education. In the series finale, it is revealed that she has always pushed him so hard because she believes he has the potential to become the President of the United States and help improve the lives of lower-class families like their own. Malcolm’s best friend is Stevie Kenarban. By the end of the series, Malcolm graduates from high school and begins attending Harvard University on a scholarship while also working several jobs, including a position as a janitor.
Lois (played by Jane Kaczmarek) is the strong-willed and often temperamental mother of the family in Malcolm in the Middle. She is portrayed as an intelligent and determined woman who often appears strict and overbearing. Much of her forceful personality comes from the constant struggle of trying to control her badly behaved and highly destructive sons while also working a low-paying job at the Lucky Aide drugstore. Her personality is also shaped by her difficult childhood, having grown up with a tyrannical mother and an indifferent father.Although Lois is strict with her children and frequently punishes them for their misbehavior, she can sometimes display the same pettiness and stubbornness that she criticizes in them. For example, she once took revenge on a group of girls who humiliated Reese before his senior prom. Despite her harsh and aggressive attitude, Lois is also deeply protective and motherly. She fiercely defends her family, especially when neighbors or others insult them or treat them as poor trash. In one episode, when Malcolm and Reese expose a neighbor’s affair with her gardener after the woman tried to frame them for theft, Lois chooses not to punish them because she believes their actions were justified revenge against someone who had been hostile toward her.
Lois is disliked by both her husband’s wealthy relatives and her own parents. She also has a younger sister named Susan, who resents Lois because she believes Lois stole Hal from her. Their neighbors generally dislike Lois and her sons due to the chaos they cause and often celebrate when the family leaves for the weekend. In the series finale, Lois discovers that she and her husband Hal are expecting their sixth child.
Hal (played by Bryan Cranston) is Lois’ husband and the father of Francis, Reese, Malcolm, Dewey, and Jamie in the sitcom Malcolm in the Middle. Hal is portrayed as a well-meaning and loving father, but he is also somewhat inept and extremely immature. He depends heavily on Lois for guidance and decision-making, and he clearly adores her.Hal comes from a wealthy family that never accepted Lois as his wife and would have preferred him to marry Susan instead. Because his relatives treat Lois with disrespect, Hal rarely mentions them and generally avoids contact with his family. Despite his flaws, he loves his sons deeply and sometimes secretly takes them out for fun father–son activities behind Lois’s back.
He is also very indecisive and frequently becomes obsessed with new hobbies for short periods of time, such as speed walking or painting. Hal works an office job but tends to be irresponsible with the money he earns. His difficulty in making decisions is explored in the episode “Living Will,” which shows that since childhood, he struggled to make choices on his own and gradually came to rely on Lois to make them for him.
In the series finale, Hal discovers that he and Lois are expecting their sixth child. Another recurring aspect of his character is his strong romantic attraction to Lois, which is mentioned several times throughout the series. Hal’s best friend is Abe Kenarban.
Francis (played by Christopher Kennedy Masterson) is the oldest son of Hal and Lois in the sitcom Malcolm in the Middle. At the beginning of the series, Francis is attending a military school in Alabama that is run by the strict commandant, Commandant Spangler, portrayed by Daniel von Bargen.The show suggests that Hal and Lois once enjoyed a comfortable middle-class lifestyle before Francis was born. However, his extremely rebellious and destructive behavior as a child created constant chaos, which disrupted their hopes for a stable life. At the beginning of the third season, Francis legally emancipates himself, leaves military school, and travels to Alaska in search of independence.
While in Alaska, Francis works at a logging camp where he eventually meets and marries Piama Tananahaakna, played by Emy Coligado, a woman of Inuit heritage. After the logging camp shuts down, the couple moves to the western United States and begins working at a Wild West–themed hotel and ranch owned by the kind but eccentric German couple Otto and Gretchen Mannkusser. Otto is portrayed by Kenneth Mars.
Gretchen (played by Meagen Fay) is part of the dynamic surrounding Francis, highlighting the ongoing love–hate battle between him and his mother, Lois. Francis often channels much of his energy into trying to frustrate or outwit Lois, and ironically, he marries Piama, a woman who shares a personality similar to Lois. Despite his juvenile delinquent tendencies, Francis is shown to be streetwise and capable of navigating tricky situations.After season five, Francis becomes a less central character, appearing only sporadically in seasons six and seven, the show’s final season. During season six, he loses his steady job due to legal complications. However, in the series finale, “Graduation,” it is revealed that Francis has secured a stable position at a tech company, working on data entry. He confides to Hal that he enjoys the work but continues to amuse himself by misleading Lois, pretending that he is unemployed.
Reese (played by Justin Berfield) is Hal and Lois’ second son and the older brother of Malcolm, Dewey, and Jamie, while being younger than Francis. Reese is characterized by his impulsive nature and physical antics. Lacking common sense, he is often outwitted by his family members and displays gleeful, sometimes reckless, violence.Despite his dimwitted demeanor, Reese demonstrates surprising skill when his attention is captured. He is capable of thoroughly devising plans—though they often backfire—and excels at certain tasks such as driving or cooking. Notably, he is revealed to be a culinary prodigy. By the series finale, Reese graduates from high school after deliberately failing multiple times, secures full-time employment as a high school custodian, and moves into an apartment with Craig.
Dewey (played by Erik Per Sullivan) is Hal and Lois’ fourth son. He is the youngest sibling until Jamie is born and frequently becomes the target of his brothers’ pranks. From season 4 onward, Dewey is shown to be highly intelligent and musically talented, teaching himself to play the piano. He also develops a remarkable tolerance for pain after years of physical and mental abuse from his older brothers.Dewey often uses clever, Machiavellian schemes to get the upper hand on his brothers and parents. Despite his intelligence, he is mistakenly placed in a remedial class for slower students (the “Buseys”), where he assumes the role of their self-appointed teacher. By the show’s seventh and final season, the Busey class is no longer mentioned. Notably, Dewey is the only sibling to break the cycle of bullying the youngest child, Jamie, treating him instead as a normal, affectionate brother. In the series finale, Dewey and Jamie are last seen hiding together in a closet after a prank, carrying on the family tradition of provoking Lois’ ire.
Caroline Miller (played by Catherine Lloyd Burns) is Malcolm’s teacher during the first two seasons of Malcolm in the Middle. She is known for being overly earnest and dedicated, often trying to guide Malcolm and his classmates while navigating the challenges of teaching a group of mischievous students.
Erik Per Sullivan Twitter(X), Facebook, and Instagram
Erik Per Sullivan is not active on social media accounts. We will update this information once more information is available to the public.