 | Will Arnett als Steve (voice) |
 | Geraldine Viswanathan als Winnie (voice) |
 | Stephen A. Smith als Marc Remy (voice) |
 | Terry Crews als Tentacular (voice) |
 | Jimmy Tatro als Lights Out McGinty (voice) |
 | Joe Anoa'i als Ramarilla (voice) |
 | Rebecca Quin als Axehammer (voice) |
 | Tony Danza als Siggy (voice) |
 | Ben Schwartz als Jimothy Brett-Chadley III (voice) |
 | Michael Buffer als Stoker Announcer (voice) |
 | Carlos Gómez als Jimbo Coyle (voice) |
 | Bridget Everett als Lady Mayhem (voice) |
 | Charles Barkley als Rayburn Senior (voice) |
 | Chris Eubank als King Gorge (voice) |
 | Tony Shalhoub als Fred (voice) |
 | Susan Kelechi Watson als Maggie (voice) |
 | Fred Melamed als Mayor (voice) |
 | Brian Baumgartner als Klonk (voice) |
 | Greta Lee als Councilwoman (voice) |
 | John DiMaggio als Betting Guy / Tattoo Guy (voice) |
| Brian Hopkins als Underground Referee (voice) |
 | Fred Tatasciore als Referee (voice) |
 | Jamal Duff als Denise (voice) |
| Donald Priess als Docks Announcer (voice) |
 | Kaya McLean als Young Winnie (voice) |
| Gracen Newton als Young Rayburn (voice) |
 | Christopher Knights als King Gorge's Coach (voice) |
 | Candi Milo als Docks Referee / Jane / Director (voice) |
 | Phil LaMarr als Security Guard (voice) |
 | Amber Stevens West als Maricella (voice) |
 | Carlos Alazraqui als Nerdle (voice) |
| John Gluck als Boy in Crowd (voice) |
| Owen Batty als Confused Little Boy (voice) |
| Chris Anthony Lansdowne als Farmer (voice) |
 | Brian T. Delaney als Burly Guy #1 (voice) |
| Alastair James als Burly Guy #2 (voice) |
| Christophe Lautrette als French Announcer (voice) |
 | Toshiji Takeshima als Japanese Announcer (voice) |
| Matt Lieberman | Screenplay |
| Hamish Grieve | Director |
| Brad Booker | Producer |
| Mark Bakshi | Producer |
| Richard Lowell | Producer |
| Susan Levinson-Bixby | Producer |
| Sophie Larocque | Special Effects |
| Lorne Balfe | Original Music Composer |
| Rob Harrell | Book |
| Hamish Grieve | Screenplay |
| Rob Harrell | Novel |
| Naia Cucukov | Executive Producer |
| Jeffrey Fierson | Executive Producer |
| Susan Levison | Executive Producer |
| Chuck Peil | Executive Producer |
| Bertrand Schutz | Executive Producer |
| Saxton Washburn | Executive Producer |
| Matthew Landon | Editor |
| Christophe Lautrette | Production Design |
| Fred Warter | Art Direction |
| Lea Kocurek | Production Supervisor |
| Deb Adair | Sound Re-Recording Mixer |
| Anna Behlmer | Sound Re-Recording Mixer |
| Odin Benitez | Sound Editor |
| Charlie Campagna | Sound Effects |
| Chris Carpenter | Sound Re-Recording Mixer |
| Ryan Collins | Sound Effects Editor |
| Eliot Connors | Sound Designer |
| Chris Diebold | Sound Effects Editor |
| Casey Genton | Sound Effects Editor |
| Larry Hopkins | Sound Mixer |
| Angelo Palazzo | Sound Designer |
| Stephen P. Robinson | Sound Designer |
| Jeff Sawyer | Sound Effects Editor |
| Greg ten Bosch | Sound Effects Editor |
| Russell Topal | Sound Effects Editor |
| Martyn Zub | Sound Re-Recording Mixer |
| Alejandro Benitez Valenzuela | Visual Effects |
| Michael Jefferies | Visual Effects Director |
| Svava Jóhannsdóttir | Visual Effects |
| Jyota Malcolm | Visual Effects |
| Thierry Malherbe | Visual Effects Coordinator |
| Evan Robinson | Visual Effects |
| Iris Azadi | Title Designer |
