Thief Kevin Caffery attempts to rob from the home of rich businessman Max Fairbanks. But Fairbanks catches him and steals his cherished ring that his girlfriend gave him. Caffery is then bent on revenge and getting his ring back with the help of his partners.
Unfortunately the movie What's the Worst That Could Happen? is not yet available on HBO Max.
| Writing | Donald E. Westlake | Novel |
| Writing | Matthew Chapman | Screenplay |
| Directing | Sam Weisman | Director |
| Crew | Joanne Lamstein | Stunts |
| Crew | Burt Ward | Compositor |
| Production | Peaches Davis | Co-Producer |
| Costume & Make-Up | Jeffrey Kurland | Costume Design |
| Sound | Anita Camarata | Music Supervisor |
| Production | John Papsidera | Casting |
| Sound | Tyler Bates | Original Music Composer |
| Crew | Norman Douglass | Stunts |
| Sound | David Kelson | Production Sound Mixer |
| Sound | John Leveque | Supervising Sound Editor |
| Crew | Tim Gallin | Stunts |
| Costume & Make-Up | John Glaser | Assistant Costume Designer |
| Production | Wendy Dytman | Producer |
| Crew | Danny Aiello III | Stunt Coordinator |
| Crew | Jery Hewitt | Stunts |
| Art | Howard Cummings | Production Design |
| Production | John Morrissey | Executive Producer |
| Camera | Anastas N. Michos | Director of Photography |
| Crew | Janet Paparazzo | Stunts |
| Art | David Lazan | Art Direction |
| Production | David Nicksay | Executive Producer |
| Production | Lawrence Turman | Producer |
| Editing | Garth Craven | Editor |
| Editing | Nick Moore | Editor |
| Production | Martin Lawrence | Executive Producer |
| Crew | Kent W. Luttrell | Stunts |
| Art | Debra Schutt | Set Decoration |
| Production | David Hoberman | Producer |
| Crew | Stan Lee Rice | Stunt Coordinator |
| Production | Ashok Amritraj | Producer |
