An insane scientist doing experimentation in glandular research becomes obsessed with transforming a female gorilla into a human...even though it costs human life.
| Directing | Edward Dmytryk | Director |
| Writing | Griffin Jay | Screenplay |
| Writing | Henry Sucher | Screenplay |
| Production | Ben Pivar | Associate Producer |
| Camera | George Robinson | Director of Photography |
| Writing | Ted Fithian | Original Story |
| Editing | Milton Carruth | Editor |
| Writing | Neil P. Varnick | Original Story |
| Art | Ralph M. DeLacy | Art Direction |
| Costume & Make-Up | Jack Pierce | Makeup Artist |
| Art | John B. Goodman | Art Direction |
| Costume & Make-Up | Vera West | Costume Design |
| Sound | Hans J. Salter | Music Director |
| Art | Russell A. Gausman | Set Decoration |
| Art | Ira Webb | Set Decoration |
| Directing | Melville Shyer | Assistant Director |
| Sound | Bernard B. Brown | Sound Director |
| Sound | William Hedgcock | Sound |
| Crew | Frank Mitchell | Stunts |
| Sound | Hans J. Salter | Music |
| Sound | Ralph Freed | Music |
| Sound | David Klatzkin | Music |
| Sound | Sam Perry | Music |
| Sound | Charles Previn | Music |
| Sound | Frank Skinner | Music |
| Sound | Paul Van Loan | Music |
