In a Yorkshire mining town, three educated brothers return to their blue-collar home to celebrate the 40th wedding anniversary of their parents, but dark secrets come to the fore.
Unfortunately the movie In Celebration is not yet available on HBO Max.
| Art | Alan Withy | Art Direction |
| Editing | Russell Lloyd | Editor |
| Writing | David Storey | Screenplay |
| Writing | David Storey | Story |
| Directing | Lindsay Anderson | Director |
| Sound | Christopher Gunning | Music |
| Camera | Dick Bush | Director of Photography |
| Sound | Dushko Indjic | Sound Designer |
| Costume & Make-Up | George Partleton | Makeup Artist |
| Production | Ely A. Landau | Producer |
| Production | Otto Plaschkes | Executive Producer |
| Production | Les Landau | Associate Producer |
