It’s just another ordinary day in 1930s Los Angeles for private investigator Clyde Umney, until a new client walks into his office. Umney soon learns that his client is the crime-fiction writer who not only created him, but now needs to switch places with him.
Unfortunately the movie Umney's Last Case is not yet available on HBO Max.
| Writing | Stephen King | Short Story |
| Directing | Rodney Altman | Director |
| Writing | Rodney Altman | Writer |
| Writing | Emma Heald | Writer |
| Production | Jason F. Brown | Producer |
| Production | Leo Fialho | Associate Producer |
| Crew | Magela Crosignani | Cinematography |
| Editing | Rodney Altman | Editor |
| Editing | Emma Heald | Editor |
| Directing | Tena Golding | Second Second Assistant Director |
| Directing | James Madrid | Second Assistant Director |
| Directing | Will Schluter | First Assistant Director |
| Sound | Brian C. Gregory | Sound Mixer |
| Sound | Avyen von Waldenburg | Boom Operator |
| Art | Dan Cregan | Title Designer |
| Visual Effects | Sean Falcon | Digital Compositor |
| Crew | Alex Ferrari | Post Production Supervisor |
| Camera | Michael Arisohn | Grip |
| Camera | Rebecca Arndt | First Assistant Camera |
| Camera | Keith McNicholas | Best Boy Grip |
| Camera | Kit Pennebaker | First Assistant Camera |
| Editing | Alex Ferrari | Colorist |
| Production | George Alvarez | Production Assistant |
