Cast

• Janeane Garofalo as Dr. Dolphin (voice)
• Elsie Fisher as Beatbox (voice)
• Tavi Gevinson as Glarba (voice)
• Julio Torres as T-bone / Gas Station Guy / Brontosaurus (voice)
• Joe Pera as Herschel Cretaceous (voice)
• Demi Adejuyigbe as Mr. Moolah (voice)
• Cole Escola as Old Slippy / Nan (voice)
• River L. Ramirez as Gordon Spaghetti / Fettuccini / Paramedic / Minivan Baby (voice)
• Chris Fleming as Weenie (voice)
• Sarah Sherman as Miss Sharon / Minivan Mom (voice)
• Eva Victor as Gail 5000 (voice)