 | Vin Diesel als Baby Groot (voice) |
 | Fred Tatasciore als Additional Voices (voice) |
| James Gunn | Executive Producer |
| Kevin Feige | Executive Producer |
| Kirsten Lepore | Executive Producer |
| Kirsten Lepore | Director |
| Kirsten Lepore | Writer |
| Louis D'Esposito | Executive Producer |
| Victoria Alonso | Executive Producer |
| Daniele Luppi | Original Music Composer |
| Brad Winderbaum | Executive Producer |
| Dave Jordan | Music Supervisor |
| Shannon Murphy | Music Supervisor |
| Dana Vasquez-Eberhardt | Supervising Producer |
| Carrie Wassenaar | Producer |
| Danielle Costa | Co-Producer |
| Alex Scharf | Associate Producer |
| Dan Urrutia | Editor |
| Anele Onyekwere | Supervising Music Editor |
| Tony Villaflor | Sound Re-Recording Mixer |
| Coya Elliott | Supervising Sound Editor |
| Evan Jacobs | Stereoscopic Supervisor |
| Simon Dunsdon | Layout Supervisor |
| Brent W. Hall | Post Production Supervisor |
| Kimberly Boritz | Assistant Editor |
| Wayan Blue Palmieri | Assistant Editor |
| Basuki Juwono | Assistant Editor |
| Ryan Little | Story Editor |
| Aleks Sennwald | Story Artist |
| Jennifer Hamilton | Executive Assistant |
| Brianna DaSilveira | Executive Assistant |
| Nick Wingate | Executive Assistant |
| Roderick Flucas | Executive Assistant |
| Candice Horde | Executive Assistant |
| Ruta Ghibat | Executive Assistant |
| Jonathan Roberts | Executive Assistant |
| Natasha Walford | Executive Assistant |
| David J. Phillips | Visual Effects Compositor |
| Christopher Stepniewski | Production Supervisor |
| Aaron Daniel Jacob | Production Supervisor |
| Kaleb Kern | Production Coordinator |
| Gabrielle Amormino | Production Assistant |
| Matt Watson | Colorist |
| Taylor Ehrlich | Assistant Accountant |
| Stan Lee | Characters |
| Larry Lieber | Characters |
| Jack Kirby | Characters |
| Kyrsten Mate | Sound Designer |
| Malcolm Fife | Sound Effects Editor |
| James Spencer | Dialogue Editor |
| James Spencer | ADR Editor |
| Nick Docter | Assistant Sound Editor |
| Steph Allen | Apprentice Sound Editor |
| John Roesch | Foley Artist |
| Shelley Roden | Foley Artist |
| Scott Curtis | Foley Mixer |
| Derek McGinley | Sound Re-Recording Assistant |
| Doc Kane | ADR Mixer |
| Brett Voss | ADR Recordist |
| Andy Winderbaum | Sound Engineer |
| Dan Tappan | Sound Engineer |
| Daniele Luppi | Music Score Producer |
| Jeff Peters | Scoring Mixer |
| Jillian Henry | Executive Assistant |
