This is a feature-length compilation of three short episodes taken from a TV series called 'Colonel March of Scotland Yard' (1954-56, 26 episodes) starring Boris Karloff as Colonel March, head of Scotland Yard's Department D.3, otherwise known as The Bureau of Queer Complaints.
Boris Karloff
Ewan Roberts
Joan Sims
Richard Wattis
Sheila Burrell
Anthony Forwood
Ronald Leigh-Hunt
Patricia Owens
John Hewer
Roger Maxwell
Bernard Rebel
Dana Wynter
Marianne Stone