Cast
Arthur Mullard
Undercover Policeman (uncredited)
Pat Ryan
Man Playing One-armed Bandit (uncredited)
Susan Stephen
Janie Matthews
John Le Mesurier
Luigi
Trevor Reid
Watson
Tom Bowman
Undercover Policeman (uncredited)
Richard Pearson
Noel
Terence Alexander
Harry
Ballard Berkeley
Findley
John Longden
Worthington
Jack Watling
Tom Matthews
Karl Stepanek
Pliny
Arthur Rigby
Feathers
Tom Clegg
Thug (uncredited)