When a couple of lazy hunter-gatherers are banished from their primitive village, they set off on an epic journey through the ancient world.
Unfortunately the movie Year One is not yet available on HBO Max.
| Production | Judd Apatow | Producer |
| Writing | Gene Stupnitsky | Screenplay |
| Writing | Lee Eisenberg | Screenplay |
| Production | Rodney Rothman | Executive Producer |
| Writing | Harold Ramis | Screenplay |
| Production | Clayton Townsend | Producer |
| Directing | Harold Ramis | Director |
| Crew | Matt Leonard | Stunts |
| Crew | Tom Elliott | Stunts |
| Art | Dorree Cooper | Set Decoration |
| Production | Harold Ramis | Producer |
| Art | Richard Fojo | Art Direction |
| Sound | George H. Anderson | Supervising Sound Editor |
| Sound | Gary C. Bourgeois | Sound Re-Recording Mixer |
| Sound | James Matheny | Dialogue Editor |
| Camera | Monty Rowan | Camera Operator |
| Camera | Chris Squires | Steadicam Operator |
| Production | Tara Duncil | Extras Casting |
| Art | Jefferson Sage | Production Design |
| Sound | Alison Fisher | ADR Editor |
| Sound | Susan Kurtz | ADR Editor |
| Sound | Ulrika Akander | ADR Editor |
| Editing | Steve Welch | Editor |
| Production | Barrett J. Leigh | Production Supervisor |
| Camera | Suzanne Hanover | Still Photographer |
| Camera | Jerry G. Callaway | Second Unit Director of Photography |
| Sound | Pamela Kahn | Foley Artist |
| Sound | Larry Kemp | Dialogue Editor |
| Production | Jeanne McCarthy | Casting |
| Sound | Joe Schiff | Foley Supervisor |
| Directing | Anne Rapp | Script Supervisor |
| Sound | Michael T. Ryan | Music Editor |
| Editing | Craig Herring | Editor |
| Production | Laurel A. Ward | Co-Producer |
| Production | Andrew Epstein | Associate Producer |
| Sound | Theodore Shapiro | Original Music Composer |
| Costume & Make-Up | Debra McGuire | Costume Design |
| Sound | Bill W. Benton | Sound Re-Recording Mixer |
| Sound | Sally Boldt | Music Editor |
| Camera | Chris Squires | Camera Operator |
| Camera | Alar Kivilo | Director of Photography |
| Art | Dwight Benjamin-Creel | Property Master |
| Sound | Thomas S. Drescher | Music Editor |
| Production | Clayton Townsend | Unit Production Manager |
| Production | Brinkley A. Maginnis | Extras Casting |
| Sound | Howard London | ADR Mixer |
| Sound | Tammy Fearing | Supervising ADR Editor |
| Directing | E.J. Foerster | Second Unit Director |
| Camera | Charles Libin | Second Unit Director of Photography |
| Sound | Cindy Marty | Sound Effects Editor |
| Sound | Vincent Guisetti | Foley Artist |
| Sound | Kyle Rochlin | Foley Mixer |
| Sound | Steve C. Aaron | Production Sound Mixer |
