 | Kyle Massey als Calvin Wheeler |
 | Kay Panabaker als Emily Watson |
 | Mitchel Musso als Raymond Figg |
 | Carter Jenkins als Preston Price |
 | Mark Christopher Lawrence als Calvin's Dad |
 | Alesandra Durham als Kate |
 | Judith Moreland als Calvin's Mom |
 | Ibrahim Abdel-Baaith als Rondel |
 | Yolanda Wood als Rondel's Mother |
| Sierra Squires als Young Girl |
| Ben Hammond als Boy |
| Cameron Jones als Dishwasher |
 | Cory McMillan als A.C. Officer #1 |
| Magarin Lee Hobson als Leonard |
| Emmit Cannon als Thrash |
| Eric Deng als Miles |
| Kelly Coombs als Julie |
| Sean Sekino als Simon |
 | Dan Larsen als Mr. Dudley |
| Kelly Stevens als Billy |
| Janice Knickrehm als School Librarian |
 | Joel Bishop als Chuck |
 | Heather Beers als Holly |
| Reb Fleming als Dog Show Official |
| Teri Cowan als Head Judge |
| Jansen Davis als Older Reporter |
| Kelly Chapman als Young Reporter |
| Michael Todd Behrens als Father |
| Charles Haid | Director |
| Eddie Guzelian | Writer |
| Gordon Lonsdale | Director of Photography |
| Benjamin D. Stokes | Editor |
| Mark Hofeling | Production Design |
| Don Schain | Producer |
| John Davis | Executive Producer |
| David Kitay | Original Music Composer |
| Terry Stokes | Editor |
| Amy Palmer Robertson | Co-Producer |
| Jordan Davis | Executive Producer |
| Don Schain | Unit Production Manager |
| Matias Alvarez | First Assistant Director |
| Tobijah Tyler | Second Assistant Director |
| Don Shanks | Stunt Coordinator |
| Carlos de Andrade | Stunt Double |
| David M. Graves | Stunt Double |
| Monica Swann | Casting Director |
| Jeff Johnson | Casting |
| Shauna Miller Schain | Production Supervisor |
| Ernesto Martinez | Costume Design |
| Ken Kirchner | Set Decoration |
| Scott Arneman | Property Master |
| Rick Josephsen | Special Effects Coordinator |
| Eadie McMullan | Animal Wrangler |
| Catherine Pittman | Animal Wrangler |
| Titus Reynolds | Animal Wrangler |
| Omar Von Muller | Animal Wrangler |
| Robin Michelle Patrick | Hair Designer |
| Robin Michelle Patrick | Makeup Designer |
| Jennifer Llewelyn | Hairstylist |
| Barbara Nelson | Costume Supervisor |
| Douglas Cameron | Production Sound Mixer |
| Garlan Wilde | Gaffer |
| Shawn Lacy | Key Grip |
| Carole Fontana | Location Manager |
| Kate Morrison | Script Supervisor |
| Jennifer Chapman | Production Coordinator |
| Michael Kiely | Production Controller |
| Barry Tuttle | Transportation Coordinator |
| Tom Summers | Post Production Supervisor |
| Mark Friedgen | Supervising Sound Editor |
| Larry Benjamin | Sound Re-Recording Mixer |
| Ross Davis | Sound Re-Recording Mixer |
| Joe Cappelletti | ADR Voice Casting |
| Steven Vincent | Music Supervisor |
| Michael Baber | Music Editor |
