Robert Southley
Hugh Sinclair
Linda
Dinah Sheridan
Taxi Driver
Hal Osmond
Barman
Sidney Vivian
Mechanic
Sam Kydd
Stevens
Anthony Pendrell
Inspector MacDougall
John Laurie
Harrison
Barry Morse
Maisie
Dora Bryan
Fenton
Michael Brennan
Landlady
Beatrice Varley
Wigmaker
Michael Ward
Mrs. Green
Madoline Thomas
Mr. Fern
Ernest Butcher
Clapper Loader
Desmond Davis
Screenplay
John Gilling
Director
Original Story
Robert S. Baker
Producer
Monty Berman
Adaptation
Carl Nystrom
Editor
Gerald Landau