Lenore Davis and her husband Frank are about to have their second child. As she gives birth, the newborn baby vanishes and leaves behind five dead bodies. It's up to the police and Frank to figure out where their mutated child has gone.
Unfortunately the movie It's Alive is not yet available on HBO Max.
| Directing | Larry Cohen | Director |
| Production | Larry Cohen | Producer |
| Writing | Larry Cohen | Writer |
| Sound | Bernard Herrmann | Original Music Composer |
| Editing | Peter Honess | Editor |
| Costume & Make-Up | Rick Baker | Makeup Artist |
| Camera | Gary Leonard | Still Photographer |
| Camera | Jeffrey L. Kimball | Second Unit Director of Photography |
| Directing | John Dorr | Script Supervisor |
| Production | Bob Cohen | Production Assistant |
| Production | Steve Salkin | Production Consultant |
| Sound | Pat Somerset | Sound Effects |
| Crew | Bob Biggart | Special Effects |
| Camera | Robert Isenberg | Assistant Camera |
| Art | Bob Biggart | Production Design |
| Production | Reid Freeman | Production Assistant |
| Crew | Pat Somerset | Special Effects |
| Art | Pat Somerset | Production Design |
| Camera | Fenton Hamilton | Director of Photography |
| Production | Janelle Webb | Co-Producer |
| Sound | Bob Biggart | Sound Effects |
| Sound | Bernard Herrmann | Orchestrator |
| Costume & Make-Up | Rick Baker | Special Effects Makeup Artist |
| Lighting | Bill Williams | Gaffer |
| Production | Peter Sabiston | Executive Producer |
| Sound | Bernard Herrmann | Conductor |
