Boys Go to Jupiter

Jack Corbett

Billy 5000 (voice)

Grace Kuhlenschmidt

Freckles (voice)

Elsie Fisher

Beatbox (voice)

Janeane Garofalo

Dr. Dolphin (voice)

Miya Folick

Rosario 'Rozebud' Dolphin (voice)

Tavi Gevinson

Glarba (voice)

Julio Torres

T-Bone / Gas Station Guy / Brontosaurus (voice)

Sarah Sherman

Miss Sharon / Minivan Mom (voice)

Chris Fleming

Weenie (voice)

Cole Escola

Ol' Slippy / Nan (voice)

Joe Pera

Herschel Cretaceous (voice)

River L. Ramirez

Gordon Spaghetti / Fettuccini Enthusiast / Paramedic / Minivan Baby (voice)

Demi Adejuyigbe

Mr. Moolah (voice)

Eva Victor

Gail 5000 (voice)

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Max Wittert

Byron (voice)