Trailer
 | Kimball Farley as Hippo |
 | Lilla Kizlinger as Buttercup |
 | Eliza Roberts as Ethel |
 | Eric Roberts as The Narrator |
 | Jesse Pimentel as Darwin |
 | Vann Barrett as Dr. Lombardi |
| Production | |
| Danny McBride | Executive Producer |
| David Gordon Green | Executive Producer |
| Jody Hill | Executive Producer |
Directing | |
| Mark H. Rapaport | Director |
Camera | |
| William Babcock | Director of Photography |
Editing | |
| Nik Voytas | Editor |
Production | |
| Charmaine Kowalski | Executive Producer |
Writing | |
| Mark H. Rapaport | Writer |
Production | |
| Mark H. Rapaport | Producer |
Sound | |
| Kenny Kusiak | Original Music Composer |
