Regular Show: The Lost Tapes

William Salyers

Rigby (voice)

J.G. Quintel

Mordecai / Hi Five Ghost (voice)

Sam Marin

Pops / Benson / Muscle Man (voice)

Mark Hamill

Skips (voice)

Roger Craig Smith

Oggy / Owner / Marimba Guy (voice)

Ali Hillis

Mom / Girl / Choir Member 2 (voice)

Minty Lewis

Eileen (voice)

Janie Haddad Tompkins

Margaret / Goddess of Lunch / Eating Customer 2 (voice)

Courtenay Taylor

Stacy / Mom / Park Incidental 6 (voice)

Fred Tatasciore

Kaiju / Park Incidental 1 (voice)

James Adomian

Uncle Sam / Jefferson / Flute Guy (voice)

Sheryl Lee Ralph

Joan Kranden (voice)

Patti Harrison

Valencia / Customer in Line 3 (voice)

Stephen Root

Jampft (voice)

Robert Englund

Anti-Pops / Guard 2 (voice)

Joe Lo Truglio

Barry / Guard 3 (voice)

Maria Bamford

Gail (voice)

Julian Barratt

VHS Man (voice)

Cooper Andrews

Pilot Doghouse / Surfer (voice)

Matthew Mercer

Intern / Agent 1 (voice)

Natalie Palamides

Goddess of Brunch / Shake Customer / Customer in Line 2 (voice)

Steve Blum

Boba Casanova (voice)

Sekai Murashige

Fighter 1 (voice)

Steve Little

Plapinger / Teacher / Cop 1 (voice)