The "Malcolm in the Middle" revival series will see Frankie Muniz, Bryan Cranston, Jane Kaczmarek, Christopher Masterson and Justin Berfield reprising their roles as the Wilkerson family - but Erik Per Sullivan will not be returning as Dewey,

Dewey is now in the middle - of the conversation surrounding the Malcolm in the Middle sequel series. Erik Per Sullivan, who starred as Dewey in the early-2000s fox sitcom, is the lone original-series star that will not return to the Disney+ revival.

Erik Per Sullivan is not returning for the Malcolm in the Middle revival, and co-star Bryan Cranston reveals why.