During a fun-filled getaway at a remote lake, teenager Kim (Dominique Swain) and her friends unwittingly unleash a murderous spirit when they make the mistake of playing the game 'Dead Mary' in this horror story. The body count rises as good friends are forced to hack each other to death, or face death themselves. Marie-Josee Colburn, Jefferson Brown, Steve McCarthy, Reagan Pasternak and Maggie Castle co-star.
Unfortunately the movie Dead Mary is not yet available on HBO Max.
| Directing | Robert Wilson | Director |
| Writing | Peter Sheldrick | Writer |
| Writing | Christopher Warre Smets | Writer |
| Production | Robert Wilson | Producer |
| Production | Kate Harrison Karman | Executive Producer |
| Production | Jonathan Dueck | Co-Producer |
| Production | Lewin Webb | Executive Producer |
| Production | Gary Howsam | Executive Producer |
| Editing | James P. Villeneuve | Editor |
| Sound | Alphonse Lanza | Music |
| Production | Dean E. Fronk | Casting |
| Production | Donald Paul Pemrick | Casting |
| Art | Andrew Berry | Production Design |
| Costume & Make-Up | Christine Terris | Costume Design |
| Costume & Make-Up | Daniel Lee | Key Makeup Artist |
| Costume & Make-Up | Ting Fang Liu | Makeup Artist |
| Directing | Brandon Tataryn | Second Assistant Director |
| Directing | Joshua Gray | First Assistant Director |
| Lighting | Mick Reynolds | Gaffer |
| Camera | David Mitchell | Director of Photography |
| Production | Harvey Glazer | Producer |
| Production | Patrick Cameron | Producer |
