A holiday-hating detective is forced to solve a murder — and save Christmas — with help from famous trainees who must improv their way through the case.
Unfortunately the movie Who Killed Santa? A Murderville Murder Mystery is not yet available on HBO Max.
| Directing | Laura Murphy | Director |
| Writing | Owen Burke | Writer |
| Writing | Marina Cockenberg | Writer |
| Writing | Krister Johnson | Writer |
| Camera | Frank Barrera | Director of Photography |
| Production | David Soldinger | Producer |
| Production | Will Arnett | Executive Producer |
| Production | Marc Forman | Executive Producer |
| Production | Krister Johnson | Executive Producer |
| Production | Peter Principato | Executive Producer |
| Production | Brian Steinberg | Executive Producer |
| Production | Jonathan Stern | Executive Producer |
| Production | Marina Cockenberg | Co-Executive Producer |
| Writing | Kerry O'Neill | Writer |
