When a couple of lazy hunter-gatherers are banished from their primitive village, they set off on an epic journey through the ancient world.
Is Year One on Netflix? Yes! The movie Year One is now on Netflix in the countries listed below.
| Production | Judd Apatow | Producer |
| Production | Rodney Rothman | Executive Producer |
| Writing | Harold Ramis | Screenplay |
| Writing | Gene Stupnitsky | Screenplay |
| Writing | Lee Eisenberg | Screenplay |
| Production | Clayton Townsend | Producer |
| Directing | Harold Ramis | Director |
| Art | Jefferson Sage | Production Design |
| Production | Laurel A. Ward | Co-Producer |
| Production | Clayton Townsend | Unit Production Manager |
| Sound | Gary C. Bourgeois | Sound Re-Recording Mixer |
| Production | Andrew Epstein | Associate Producer |
| Art | Dwight Benjamin-Creel | Property Master |
| Production | Tara Duncil | Extras Casting |
| Editing | Craig Herring | Editor |
| Sound | Cindy Marty | Sound Effects Editor |
| Directing | Anne Rapp | Script Supervisor |
| Editing | Steve Welch | Editor |
| Sound | Sally Boldt | Music Editor |
| Production | Harold Ramis | Producer |
| Camera | Chris Squires | Steadicam Operator |
| Art | Dorree Cooper | Set Decoration |
| Sound | Susan Kurtz | ADR Editor |
| Sound | Joe Schiff | Foley Supervisor |
| Directing | E. J. Foerster | Second Unit Director |
| Sound | Pamela Kahn | Foley Artist |
| Art | Richard Fojo | Art Direction |
| Production | Jeanne McCarthy | Casting |
| Sound | Ulrika Akander | ADR Editor |
| Sound | Larry Kemp | Dialogue Editor |
| Camera | Chris Squires | Camera Operator |
| Camera | Suzanne Hanover | Still Photographer |
| Sound | Alison Fisher | ADR Editor |
| Sound | James Matheny | Dialogue Editor |
| Camera | Charles Libin | Second Unit Director of Photography |
| Sound | Theodore Shapiro | Original Music Composer |
| Sound | Thomas S. Drescher | Music Editor |
| Sound | Vincent Guisetti | Foley Artist |
| Camera | Alar Kivilo | Director of Photography |
| Costume & Make-Up | Debra McGuire | Costume Design |
| Sound | George H. Anderson | Supervising Sound Editor |
| Sound | Michael T. Ryan | Music Editor |
| Production | Barrett J. Leigh | Production Supervisor |
| Sound | Tammy Fearing | Supervising ADR Editor |
| Camera | Jerry G. Callaway | Second Unit Director of Photography |
| Sound | Steve C. Aaron | Production Sound Mixer |
| Sound | Bill W. Benton | Sound Re-Recording Mixer |
| Sound | Kyle Rochlin | Foley Mixer |
| Sound | Howard London | ADR Mixer |
| Camera | Monty Rowan | Camera Operator |
| Production | Brinkley A. Maginnis | Extras Casting |
| Crew | Matt Leonard | Stunts |
| Crew | Tom Elliott | Stunts |
