 | Bruce Davison als Sen. Robert Kelly |
 | Terry Anzur als Terry Anzur |
 | Bryan Singer als Self - Director |
 | Hugh Jackman als Self - 'Logan / 'Wolverine' |
| Tom DeSanto als Self - Executive Producer / Story |
 | Patrick Stewart als Self - 'Xavier' |
 | Ian McKellen als Self - 'Magneto' |
 | Dick Anthony Williams als Sen. Frank Radler |
 | Halle Berry als Self - 'Storm' |
 | Lauren Shuler Donner als Self - Producer |
 | Patti Yasutake als Sen. Connie Kasamatsu |
 | Rebecca Romijn als Self - 'Mystique' |
 | Anna Paquin als Self - 'Rogue' |
 | Famke Janssen als Self - 'Jean Grey' |
 | James Marsden als Self - 'Cyclops' |
 | Tyler Mane als Self - 'Sabertooth' |
 | Ray Park als Self - 'Toad' |
 | Doug McGrath als Sen. Howard Fulwood |
| Gordon J. Smith als Self - Special Make-up Design |
 | Stan Lee als Self - Executive Producer |
| Bob Harras als Self - Editor-in-Chief Marvel Comics |
 | Avi Arad als Self - Executive Producer |
 | Samantha Brooks als Sen. Robert Kelly's Daughter |
| Thomas C. Grane | Director |
| Marshall Brutus Drazen | Writer |
| Hugh Jackman | Vocal Coach |
| Hugh Jackman | Vocals |
| Stan Lee | Characters |
| Stan Lee | Presenter |
| Stan Lee | Executive Producer |
| Stan Lee | Producer |
| Richard Ingber | Producer |
| Joe Arnao | Editor |
| Rob Glowacki | Editor |
| Angelo Pacifici | Director of Photography |
| Catherine Hodges | Co-Producer |
| Beth Holmes | Production Manager |
| Beth Holmes | Line Producer |
| Pam Kuri | First Assistant Director |
| Jill Maxey | Second Assistant Director |
| Bobbie Blyle | Second Assistant Director |
| Hernan Camacho | Art Direction |
| Don Purser | Camera Operator |
| Marcus Cole | Steadicam Operator |
| Brian Hanable | Special Effects |
| Seth Blair | Production Supervisor |
| Shannon Owen | Production Coordinator |
| Betsy Bierer | Production Coordinator |
| Michel Pacifici | Assistant Camera |
| Richie Moore | Assistant Camera |
| Linda Morgenstern | Assistant Camera |
| Mark J. Coyne | Assistant Camera |
| Tim Blair | Gaffer |
| John T. Martin | Key Grip |
| Troy Scott Wilson | Property Master |
| Jason Groff | Other |
| Melisa Sánchez | Script Supervisor |
| Sam Aronson | Sound Mixer |
| Gary Gossett | Sound |
| Jim Castro | Boom Operator |
| Kevin Russell | Sound |
| Patrick Skehan | Sound |
| Phil Kawacoe | Sound |
| Jim Munoz | Editorial Services |
| Joe Warnett | Editorial Services |
| Eric Goldsmith | Editorial Services |
| Dirk Carlson | Online Editor |
| Cynthia Bachman Brown | Key Makeup Artist |
| Cynthia Bachman Brown | Key Hair Stylist |
| Kathryn Morrison | Wardrobe Supervisor |
| Bruce Schultz | Compositor |
| Brian Knappenberger | Graphic Designer |
