| Will Smith | Agent J |
| Tommy Lee Jones | Agent K |
| Josh Brolin | Young Agent K |
| Jemaine Clement | Boris The Animal |
| Emma Thompson | Agent O |
| Michael Stuhlbarg | Griffin |
| Mike Colter | Colonel |
| Nicole Scherzinger | Boris's Girlfriend |
| Michael Chernus | Jeffrey Price |
| Alice Eve | Young Agent O |
| David Rasche | Agent X |
| Keone Young | Mr. Wu |
| Bill Hader | Andy Warhol |
| Cayen Martin | Colonel's Son |
| Director | Barry Sonnenfeld |
| Producer | Steven Spielberg; Walter F. Parkes |
| Writer | Lowell Cunningham; Etan Cohen |
| Cinematography | Bill Pope |
| Musician | Danny Elfman |
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