Cast of Malcolm in the Middle

Frankie Muniz portrays the titular character, Malcolm, a highly intelligent and academically gifted teenager who struggles to fit in both at school and at home.

Jane Kaczmarek portrays Lois, the overbearing yet loving mother of Malcolm and his four siblings. She is known for her strict parenting style and sharp wit.

Bryan Cranston portrays Hal, the quirky and often clueless father of the family. Despite his childlike nature, Hal occasionally surprises everyone with hidden talents.

Justin Berfield portrays Reese, the second oldest brother and notorious troublemaker. Reese constantly finds himself in outrageous situations and loves causing mischief.

Erik Per Sullivan portrays Dewey, the youngest brother who possesses an unexpected maturity for his age. Dewey is often involved in his siblings' antics.

Christopher Masterson portrays Francis, the eldest brother and rebel of the family. Francis frequently clashes with his parents and seeks independence away from home.

James Rodriguez portrays Jamie, the youngest member of the family and the new addition in later seasons. Jamie adds a new dynamic to the already chaotic household.

Lukas Rodriguez portrays Jamie, the youngest member of the family and the new addition in later seasons. Jamie adds a new dynamic to the already chaotic household.