 | Jerry Nelson als Emmet Otter / Weasel / Doc Bullfrog / Melissa Rabbit / Yancy Woodchuck (voice) |
 | Frank Oz als Chuck (voice) |
 | Marilyn Sokol als Ma Otter (voice) |
 | Richard Hunt als Charlie / Lizard / George Rabbit (voice) |
 | Eren Ozker als Gretchen Fox / Hetty Muskrat / Mrs. Mink / Old Lady Possum (voice) |
 | Jim Henson als Kermit the Frog / Harrison Fox / Harvey / Snake (voice) |
 | Dave Goelz als Wendell / Pop-eyed Catfish / Will Possum (voice) |
| Jim Henson | Director |
| Russell Hoban | Book |
| Jerry Juhl | Writer |
| Lillian Hoban | Book |
| Jim Henson | Producer |
| Paul Williams | Music |
| Geoff Craigen | Editor |
| Marilyn Stonehouse | Associate Producer |
| David Lazer | Executive Producer |
| Lillian Hoban | Novel |
| Calista Hendrickson | Costume Design |
| Stephen Finnie | Set Decoration |
| William Beeton | Production Design |
| Russell Hoban | Novel |
| Sherry Ammott | Costume Design |
| Paul Williams | Songs |
