Regular Show: The Movie

J.G. Quintel Mordecai / Hi-Five Ghost (voice) William Salyers Rigby (voice) Sam Marin Benson / Pops / Muscle Man (voice) Mark Hamill Skips (voice) Minty Lewis Eileen (voice) Jason Mantzoukas Mr. Ross (voice) David Koechner Principal Dean (voice) Roger Craig Smith Jablonski / Frank Smith / Fast Food Guy (voice) Ali Hillis Ship Computer / Rigby's Mom (voice) Kurtwood Smith Gene (voice) Eddie Pepitone Sherm (voice) Paul F. Tompkins Gino (voice) Fred Tatasciore Father Time / Security Guard / Additional Voices (voice) Steve Blum Techmo / Brit / Commander / TV Game (voice) Janie Haddad Tompkins Margaret (voice)