Basil Sydney
— Inspector Philip Winton
Judy Gunn
— Claire Haines
Zoe Davis
— Mrs. Harris
Alastair Sim
— Police Sergeant 'Mac' McKay
Reginald Tate
— Hubert Perrin
Ian Fleming
— Henry Sanders
Tom Helmore
— Alfred Jerome
Martin Lewis
— William Gregg
C.M. Hallard
— Dickenson - Norman's Attorney
Aubrey Mallalieu
— Robert Norman
Ernest Borrow
— Superintendent Field
Sydney Moncton
— Globe Reporter
Albert Parker
— Movie Director (cameo appearance)(uncredited)