Jaleel White

as Steve Urkel / Urkelbot / Stefan Urquelle (voice)

as Blake - VP of Player Personnel

as Mr. Shepard

as Mr. Lexington

as Garrett Walden

as James Black

as Detective Hamer

as Paul Greenberg

as The Leader

as Detective Hamer

as Mr. Todd

as Dr. Terry McCormick

as Self

as Dr. Spencer

as Jason Bootie

as Michael

as Martin at Age 15 (voice)

as Bladebeak (voice)

as Self

as Dennis Brooks