 | Rick D. Wasserman als Hulk (voice) |
 | Marc Worden als Iron Man (voice) |
 | Mark Hildreth als Red King (voice) |
 | Kevin Michael Richardson als Korg (voice) |
 | Sam Vincent als Miek (voice) |
 | Lisa Ann Beley als Caiera (voice) |
 | Advah Soudack als Elloe Kaifi (voice) |
 | Michael Kopsa als Lavin Skee (voice) |
 | Liam O'Brien als Hiroim (voice) |
 | Campbell Lane als (voice) |
 | Paul Dobson als Beta Ray Bill (voice) |
 | Lee Tockar als Android (voice) |
 | Russell Roberts als Primus Vand (voice) |
| Donald Adams als Governor Churik (voice) |
 | Doug Abrahams als (voice) |
| David Kaye als (voice) |
 | Ellen Kennedy als (voice) |
 | Chantal Strand als (voice) |
| Stan Lee | Characters |
| Stan Lee | Co-Executive Producer |
| Jack Kirby | Characters |
| Ken Katsumoto | Executive Producer |
| Eric S. Rollman | Executive Producer |
| Lauren Montgomery | Additional Storyboarding |
| Craig Kyle | Screenstory |
| Craig Kyle | Supervising Producer |
| Sam Liu | Director |
| Frank Paur | Producer |
| Terry Reiff | Dialogue Editor |
| Rick Morales | Storyboard Artist |
| Greg Pak | Comic Book |
| Brandon Vietti | Additional Storyboarding |
| Guy Michelmore | Music |
| George Rizkallah | Editor |
| Jamie Simone | Casting |
| Kyle Billingsley | Foley Mixer |
| Cory Gustke | Production Manager |
| Joshua Fine | Screenstory |
| Joshua Fine | Supervising Producer |
| Gary Hartle | Storyboard Artist |
| Greg Johnson | Screenplay |
| Greg Johnson | Screenstory |
| Patrick Archibald | Storyboard Artist |
| Carrie Wassenaar | Line Producer |
| Vinton Heuck | Additional Storyboarding |
| Tim Walston | Sound Designer |
| Pamela Kahn | Foley Artist |
| Mike Draghi | Supervising Sound Editor |
| Mike Draghi | Sound Re-Recording Mixer |
| Kyle Clausen | Foley Editor |
| Thomas D. Moser | Visual Effects |
| Thomas D. Moser | 3D Modeller |
| Joel Moser | Additional Visual Effects |
| Phillip Norwood | Additional Storyboarding |
| Nancy Parker | Foley Artist |
| Derek Simpson | Sound Engineer |
| Adam Van Wyk | Storyboard Artist |
| Kirk Tingblad | Animation Director |
| Phil Bourassa | Character Designer |
| Bret Johns | Sound Effects Editor |
| Matthew Bordenave | Production Intern |
| David Ari Leon | Music Supervisor |
| Zachary C. Ross | Sound Effects Editor |
| Carlo Pagulayan | Comic Book |
| Fedja Jovanovic | Background Designer |
| James Peters | Colorist |
| Eric Lewis | ADR Recordist |
| Mark Ryan | Music Editor |
| Steven E. Gordon | Additional Storyboarding |
| Derek Seaborn | Sound Engineer |
| Jan Holzner | Score Engineer |
| Rachel James | Orchestrator |
| Fred Reyes | Additional Storyboarding |
| Craig Wilson | Additional Storyboarding |
| Aldo Martinez | Assistant Sound Engineer |
| Nickolas Meade | Foley Editor |
| Lucas Ribeiro Fernandes | Opening Title Sequence |
| Stephen Nicodemus | Lead Painter |
| Steve Ingram | Additional Editor |
| Jonathan Polk | Assistant Editor |
| Leonardo Alannis | Production Intern |
| Joseph Cervenka | Production Intern |
| Kalia Cheng | Production Assistant |
| Maeve Currin | Production Intern |
| Matthew Jung | Production Intern |
| Amy Le Vay | Production Intern |
| Adam Nunez | Production Intern |
| Kristina Star | Production Intern |
| Adam Tootla | Production Assistant |
