Birmingham barely touches pen to pad when he is trying to write down an address. Later, Jimmy clearly reads the address on the pad.
The chemical used on San Toy is initially referred to as chloroform but is later changed to ether.
In the opening credits, shot at the beach, a person runs in front of the camera as the credits dissolve from the screenwriter to the technical crew.
Impresario Cole-King (Howard Negley) accuses his press agent, Rick Daniels (Larry Blake), of being "callused" when Rick suggests dumping the body of the first murder victim at the beach. The word obviously meant is "callous".