When Fox bought the rights to Ralph Spence's warhorse stage mystery-comedy The Gorilla for the Ritz Brothers, they walked out en masse, refusing to work on the picture until their contracts were renegotiated and the script heavily rewritten. The finished product features an escaped circus gorilla apparently perpetrating a series of murders. Imperiled lawyer Walter Stevens (Lionel Atwill) may well be the next victim, so he summons detectives Garrity, Harrigan and Mullivan (Jimmy, Harry and Al Ritz) to provide protection. It turns out that (a) the murderer is human rather than simian, (b) Stevens is hardly a paragon of virtue, and (c) the person really in danger is young heiress Norma Denby (Anita Louise). Long unavailable for reappraisal, The Gorilla resurfaced on the public-domain market in 1976.
by Hal Erickson synopsis