At a carnival called the Garden of Evil, a man is murdered, apparently by a gorilla...or someone in a gorilla suit.
| Actor | Role |
|---|---|
 Cameron MitchellJoey Matthews | Joey Matthews |
 Anne BancroftLaverne Miller | Laverne Miller |
 Lee J. CobbDetective Sgt. Garrison | Detective Sgt. Garrison |
 Raymond BurrCy Miller | Cy Miller |
 Charlotte AustinAudrey Baxter | Audrey Baxter |
 Peter WhitneyKovacs | Kovacs |
 Lee MarvinShaughnessy--Policeman | Shaughnessy--Policeman |
 Warren StevensJoe, Detective | Joe, Detective |
 John KelloggMorse | Morse |
 George BarrowsGoliath the Gorilla (uncredited) | Goliath the Gorilla (uncredited) |