 | Jordan Fisher als Wilbur J. Mole Rat, Jr. (voice) |
 | Yvette Nicole Brown als Grande (voice) |
 | Kate Micucci als Tall (voice) |
 | Kevin Michael Richardson als Venti (voice) |
 | Carol Kane als Grand-Mah (voice) |
 | Thomas Lennon als Stark Naked (voice) |
 | Ron Funches als Les Pants (voice) |
 | Jenna Ushkowitz als Secret Service Mole #1 (voice) |
 | Joe Lo Truglio als Police Officer |
 | Candi Milo als (voice) |
 | Scott T. Graff als (voice) |
 | Melody Butiu als (voice) |
| Elia Saldana als (voice) |
 | Kari Wahlgren als (voice) |
 | JP Karliak als (voice) |
 | Eric Bauza als (voice) |
| Brian Kim McCormick als (voice) |
 | Cristina Milizia als (voice) |
 | Mo Willems als (voice) |
| James Tabeek als Hats & More Performer |
| Stefan Raulston als Hats & More Performer |
 | Malia Baker als Hats & More Performer |
| Alyssa Cancilla als Hats & More Performer |
| Donyea Martin als Hats & More Performer |
| Haley Loeffler als Hats & More Performer |
| Mo Willems | Book |
| Mo Willems | Writer |
| Tom Warburton | Writer |
| Mo Willems | Lyricist |
| Deborah Wicks La Puma | Songs |
| Mo Willems | Executive Producer |
| Tom Warburton | Executive Producer |
| Greg Silverman | Executive Producer |
| Jay Judah | Executive Producer |
| Megan Alrutz | Producer |
| Dan Petty | Music Producer |
| Doug Petty | Music Producer |
| Michelle Lewis | Music Producer |
| Megan Alrutz | Dramaturgy |
| Maxwell Atoms | Character Designer |
| Dave Beauchene | Character Designer |
| Maxwell Atoms | Art Direction |
| Keith Horn | Music |
| Guy Moore | Director |
| Gideon Yu | Executive Producer |
| Chris Bosco | Executive Producer |
| Chris Hamilton | Executive Producer |
| Caitlin Well | Casting |
| Collette Sunderman | Additional Casting |
| Matt Haber | Art Direction |
| John T. Won | Art Direction |
| Zach Aufdemberg | Editor |
| Scott Roon | Editor |
| Roger Carnow | Editor |
| L.T. Myers | Storyboard Artist |
| Dan St. Pierre | Storyboard Artist |
| Stephanie Alexander | Storyboard Artist |
| Kelsey Norden | Storyboard Artist |
| Jina Noh | Storyboard Artist |
| Ollie Green | Thanks |
| Trixie Willems | Thanks |
| Cher Willems | Thanks |
