Casting de Boys Go to Jupiter

Jack Corbett

Billy 5000 (voice)

Miya Folick

Rosario 'Rozebud' Dolphin (voice)

Tavi Gevinson

Glarba (voice)

Elsie Fisher

Beatbox (voice)

Grace Kuhlenschmidt

Freckles (voice)

Julio Torres

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

Joe Pera

Herschel Cretaceous (voice)

Sarah Sherman

Miss Sharon / Minivan Mom (voice)

Cole Escola

Ol' Slippy / Nan (voice)

Eva Victor

Gail 5000 (voice)

Chris Fleming

Weenie (voice)

River L. Ramirez

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

Max Wittert

Byron (voice)

Janeane Garofalo

Dr. Dolphin (voice)

Demi Adejuyigbe

Mr. Moolah (voice)