J.G. Quintel

Mordecai, Hi-Five Ghost

William Salyers

Rigby

Sam Marin

Benson, Pops, Muscle Man

Mark Hamill

Skips

Jason Mantzoukas

Mr. Ross

David Koechner

Principal Dean

Steve Blum

Techmo, Brit, Commander

Ali Hillis

Ship Computer, Rigby's Mom

Minty Lewis

Eileen

Liam McCualey

Thomas

Eddie Pepitone

Sherm

Kurtwood Smith

Gene

Roger Craig Smith

Jablonski, Frank Smith, Fast Food Guy

Fred Tatasciore

Father Time, Security Guard, Timenado Mechanic

Janie Haddad Tompkins

Margaret

Paul F. Tompkins

Gino