 | Russell Brand als Easter Bunny (voice) |
 | James Marsden als Fred |
 | Kaley Cuoco als Samantha O'Hare |
 | Hank Azaria als Carlos / Phil (voice) |
 | Elizabeth Perkins als Bonnie O'Hare |
 | Gary Cole als Henry O'Hare |
 | Hugh Laurie als E.B.'s Dad (voice) |
 | David Hasselhoff als Himself |
 | Chelsea Handler als Mrs. Beck |
 | Dustin Ybarra als Cody |
 | Tiffany Espensen als Alex O'Hare |
 | Jimmy Carter als Blind Boys of Alabama |
 | Veronica Alicino als Waitress |
 | Coleton Ray als Young Fred |
 | Mark Riccardi als Security Guard |
| Greg Lewis als Performer |
 | Robbie Tucker als Kid#1 (uncredited) |
 | Crystal the Monkey als Monkey (uncredited) |
| Junie Lowry-Johnson | Casting |
| Christopher Meledandri | Producer |
| Charlie Daboub | Art Direction |
| Peter Lyons Collister | Director of Photography |
| Cheri Minns | Makeup Department Head |
| Gregory Perler | Editor |
| Tim Hill | Director |
| Michele Imperato | Producer |
| Richard Holland | Production Design |
| Christopher Lennertz | Original Music Composer |
| Alexandra Welker | Costume Design |
| Ken Daurio | Screenplay |
| Ken Daurio | Story |
| Cinco Paul | Screenplay |
| Cinco Paul | Story |
| Peter S. Elliot | Editor |
| Libby Goldstein | Casting |
| Don Diers | Set Decoration |
| John Cohen | Executive Producer |
| Brian Lynch | Screenplay |
| Candace Neal | Hair Department Head |
| Jerad Marantz | Character Designer |
| Jeannine Berger | Post Production Supervisor |
| Sachin Bangera | Animation |
| Joel Foster | Animation |
| Daniel Lindsey | Visual Effects |
| Aravind Jayaraman | Visual Effects |
| Dixie Pizani | Animation |
| Rohit Kolhe | Animation |
| Samidha Nagwekar | Animation |
| Ian Blum | Animation |
