A woman begins to receive ominous phone calls from her nephew, who died 15 years earlier. With each phone call, a family member dies. Will she be the next in line?
Unfortunately the movie When Michael Calls is not yet available on HBO Max.
| Directing | Philip Leacock | Director |
| Writing | John Farris | Novel |
| Writing | James Bridges | Screenplay |
| Production | Patricia Payne | Casting |
| Art | Jack McAdam | Production Design |
| Costume & Make-Up | Adrian Hoffman | Hairstylist |
| Production | Edgar J. Scherick | Executive Producer |
| Editing | P.A. James | Editor |
| Costume & Make-Up | Ken Brooke | Makeup Artist |
| Camera | Donald Wilder | Director of Photography |
| Camera | Reginald H. Morris | Director of Photography |
| Production | Edgar J. Scherick | Producer |
| Directing | Scott Maitland | Second Assistant Director |
| Directing | Gordon Robinson | First Assistant Director |
| Art | Gerry Holmes | Assistant Set Dresser |
| Production | Gary Flanagan | Unit Manager |
| Production | Marilyn Stonehouse | Production Manager |
| Production | Luciano Comici | Unit Production Manager |
| Art | Keath Barrie | Set Dresser |
| Sound | John H. Newman | Sound Effects Editor |
| Sound | Russel Heise | Sound Mixer |
| Sound | Omero Pataracchia | Boom Operator |
| Sound | Evelyn Rutledge | Sound Effects Editor |
| Art | John Harper | Property Master |
| Crew | John 'Frenchie' Berger | Stunt Coordinator |
| Lighting | Paul Bolton | Best Boy Electric |
| Camera | David Kelly | Second Assistant Camera |
| Editing | Corky Ehlers | Assistant Editor |
| Camera | Jackson Samuels | Camera Operator |
| Camera | Cal Kohne | Grip |
| Directing | Ruby Renaut | Continuity |
| Sound | Lionel Newman | Conductor |
| Camera | Ron Gillham | Grip |
| Costume & Make-Up | Patti Unger | Wardrobe Master |
| Camera | Ernest J.L. Meershoek | First Assistant Camera |
| Lighting | Bob Milligan | Gaffer |
| Sound | Kenneth Hall | Music Editor |
