Mordecai / Hi-Five Ghost (voice)

J.G. Quintel

Writing

Rigby (voice)

William Salyers

Acting

Benson / Pops / Muscle Man (voice)

Sam Marin

Acting

Skips (voice)

Mark Hamill

Acting

Eileen (voice)

Minty Lewis

Writing

Mr. Ross (voice)

Jason Mantzoukas

Acting

Principal Dean (voice)

David Koechner

Acting

Jablonski / Frank Smith / Fast Food Guy (voice)

Roger Craig Smith

Acting

Ship Computer / Rigby's Mom (voice)

Ali Hillis

Acting

Gene (voice)

Kurtwood Smith

Acting

Sherm (voice)

Eddie Pepitone

Acting

Gino (voice)

Paul F. Tompkins

Acting

Father Time / Security Guard / Additional Voices (voice)

Fred Tatasciore

Acting

Techmo / Brit / Commander / TV Game (voice)

Steve Blum

Acting

Margaret (voice)

Janie Haddad Tompkins

Acting