Wifes and children of the Mormon Orville Beecham become victims of a massacre in his own house. The police believes the crime had a religious motive. Orville doesn't give any comment on the case, is taken into protective custody. Journalist Smith persuades him to help him in the investigation - and finds out about economic motives for the murder.
You can now watch Messenger of Death online on the following streaming providers in the United States.
| Directing | J. Lee Thompson | Director |
| Writing | Rex Burns | Novel |
| Writing | Paul Jarrico | Screenplay |
| Production | Pancho Kohner | Producer |
| Sound | Robert O. Ragland | Original Music Composer |
| Camera | Gideon Porath | Director of Photography |
| Editing | Peter Lee-Thompson | Editor |
| Production | Perry Bullington | Casting |
| Art | Whitney Brooke Wheeler | Art Direction |
| Art | Susan Carsello | Set Decoration |
| Production | Yoram Globus | Executive Producer |
| Production | Menahem Golan | Executive Producer |
| Costume & Make-Up | Shelley Komarov | Costume Design |
| Directing | Karin Cooper | Script Supervisor |
| Sound | Elissa Assa | Music Editor |
| Sound | Joachim H. Hansch | Music Supervisor |
| Camera | Guy Skinner | First Assistant Camera |
| Camera | Brian McLaughlin | Still Photographer |
| Camera | Sean McLin | Additional Camera |
| Crew | Tina Canny | Sound Recordist |
| Crew | Stanley B. Gill | Sound Recordist |
| Crew | Tony Pascuzzo | Sound Recordist |
| Sound | David Cunningham | Sound Re-Recording Mixer |
| Sound | Patrick Cyccone Jr. | Sound Re-Recording Mixer |
| Sound | Frank A. Montaño | Sound Re-Recording Mixer |
| Sound | Tony Garber | Supervising Sound Editor |
| Crew | John Kaye | Property Master |
| Costume & Make-Up | Manny Benmoshe | Hairstylist |
| Costume & Make-Up | Carla M. Fabrizi | Key Hair Stylist |
| Editing | Mary E. Jochem | First Assistant Editor |
| Crew | Bob Brown | Stunts |
| Crew | Debbie Evans | Stunts |
| Crew | Ernie F. Orsatti | Stunt Coordinator |
| Crew | Brian Smrz | Stunts |
| Crew | Noon Orsatti | Stunts |
| Crew | Tommy J. Huff | Stunts |
| Crew | Al Jones | Stunts |
| Crew | Buck McDancer | Stunts |
| Crew | Lane Leavitt | Stunts |
| Crew | Bob Herron | Stunts |
