Arthur Jones
Respectable schoolmaster returns from work on the eve of a wedding anniversary holiday to find a strange man dead in their bathroom and his wife missing.
Private Detective
A playboy tries to recruit a gang, who include an American who needs cash to satisfy his wife's expensive tastes, and an old time expert cracksman, to rob a foreign embassy's safe, but trouble starts when the plan begins to go wrong.
Store Detective (uncredited)
Loner Mark Lewis works at a film studio during the day and, at night, takes racy photographs of women. Also he's making a documentary on fear, which involves recording the reactions of victims as he murders them. He befriends Helen, the daughter of the family living in the apartment below his, and he tells her vaguely about the movie he is making.
Inspector
Discharged by his employer, a private eye stays on a jewel theft case after a model with information for him is murdered.