Blue-collar Andy finds herself accused of theft when a multimillion-dollar gem suddenly goes missing from her rich friend's estate. With the help of a famous mystery writer, Andy must find the real culprit amid the litany of wealthy guests.
Unfortunately the movie The Case of the Christmas Diamond is not yet available on HBO Max.
| Directing | Peter Sullivan | Director |
| Production | David Hudson | Executive Producer |
| Art | Jon Cox | Production Design |
| Production | Dakotah Hitt | Unit Production Manager |
| Production | Peter Sullivan | Co-Producer |
| Camera | Thomas L. Callaway | Director of Photography |
| Production | Barry Barnholtz | Executive Producer |
| Production | Zelma Kiwi | Executive Producer |
| Writing | Peter Sullivan | Writer |
| Production | Christopher Ray | Line Producer |
| Costume & Make-Up | Kris Deskins | Costume Design |
| Production | Jeffrey Schenck | Executive Producer |
| Writing | Jeffrey Schenck | Story |
| Production | Brian Nolan | Co-Producer |
| Editing | Randy Carter | Editor |
| Writing | Peter Sullivan | Story |
| Costume & Make-Up | Monique Paredes | Makeup Department Head |
| Production | Donald Paul Pemrick | Casting |
| Production | Dean E. Fronk | Casting |
