When an escaped circus gorilla appears to have gone on a murderous rampage, a threatened attorney calls on the detective trio of Garrity, Harrigan and Mullivan to act as bodyguards. In short order, we discover that there is more to the attorney than meets the eye, and the ape may be innocent after all. When a pretty young heiress faces peril, it's up to our heroic trio to save the day.
Unfortunately the movie The Gorilla is not yet available on HBO Max.
| Directing | Allan Dwan | Director |
| Writing | Rian James | Screenplay |
| Writing | Sid Silvers | Screenplay |
| Writing | Ralph Spence | Theatre Play |
| Sound | Alfred Newman | Music |
| Sound | David Raksin | Music |
| Sound | David Buttolph | Music |
| Costume & Make-Up | Perc Westmore | Makeup Artist |
| Sound | Cyril J. Mockridge | Music |
| Costume & Make-Up | Gwen Wakeling | Costume Designer |
| Directing | Aaron Rosenberg | Assistant Director |
| Art | Lewis H. Creber | Art Direction |
| Art | Thomas Little | Set Decoration |
| Sound | Roger Heman Sr. | Sound |
| Art | Richard Day | Art Direction |
| Production | Darryl F. Zanuck | Executive In Charge Of Production |
| Editing | Allen McNeil | Editor |
| Sound | George Leverett | Sound |
| Camera | Edward Cronjager | Director of Photography |
| Sound | David Buttolph | Music Director |
| Production | Harry Joe Brown | Associate Producer |
