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 | Lewin Webb | Executive Producer |
| Art | Andrew Berry | Production Design |
| Editing | James P. Villeneuve | Editor |
| Production | Jonathan Dueck | Co-Producer |
| Directing | Brandon Tataryn | Second Assistant Director |
| Sound | Alphonse Lanza | Music |
| Production | Dean E. Fronk | Casting |
| Production | Donald Paul Pemrick | Casting |
| Production | Robert Wilson | Producer |
| Production | Kate Harrison Karman | Executive Producer |
| Costume & Make-Up | Daniel Lee | Key Makeup Artist |
| Costume & Make-Up | Christine Terris | Costume Design |
| Costume & Make-Up | Ting Fang Liu | Makeup Artist |
| Lighting | Mick Reynolds | Gaffer |
| Production | Gary Howsam | Executive Producer |
| Directing | Joshua Gray | First Assistant Director |
| Production | Harvey Glazer | Producer |
| Camera | David Mitchell | Director of Photography |
| Production | Patrick Cameron | Producer |
