An alien is dispatched from a faraway galaxy to take over the Earth by "duplicating" humans and creating a race of zombies.
You can now watch The Human Duplicators online on the following streaming providers in the United States.
| Directing | Hugo Grimaldi | Director |
| Camera | Monroe P. Askins | Director of Photography |
| Production | Hugo Grimaldi | Producer |
| Editing | Donald Wolfe | Editor |
| Writing | Arthur C. Pierce | Writer |
| Production | Arthur C. Pierce | Producer |
| Production | Lawrence Woolner | Executive Producer |
| Art | Paul Sylos | Art Direction |
| Camera | John Livesley | Key Grip |
| Costume & Make-Up | Kay Shea | Hairstylist |
| Costume & Make-Up | John Chambers | Special Effects Makeup Artist |
| Art | Raymond Boltz Jr. | Set Decoration |
| Costume & Make-Up | Mickey Meyers | Costume Design |
| Costume & Make-Up | Bob Mark | Makeup Artist |
| Production | Jesse Corallo | Production Manager |
| Directing | Jesse Corallo | Assistant Director |
| Directing | Clancy Herne | Second Assistant Director |
| Art | Ross C. Burke | Property Master |
| Sound | Robert Reeve | Sound Effects Editor |
| Sound | Jean G. Valentino | Sound Mixer |
| Sound | Robert Glenn | Sound Editor |
| Camera | Frank Dugas | Camera Operator |
| Lighting | George Marquenie | Gaffer |
| Production | Marvin Paige | Casting Consultant |
| Crew | Roger George | Special Effects |
