William Sylvester
— Layton / Steve Ross
Mai Zetterling
— Ruth Lombard
John Meillon
— Johnny Hemick
Anthony Dawson
— James Dawson
Neil McCarthy
— Leo Farrell
Joseph Fürst
— Paul Varna
Harry Baird
— Gill Hall
John Phillips
— Chief Superintendent Gault
Victor Brooks
— Inspector Adams
Diana King
— Maggie Dawson
Gerard Heinz
— Jake
Nan Munro
— Sarah Bennett
Ronald Adam
— J. B. Wykeham
Neil Wilson
— Pat Ryan
Sidney Vivian
— Sam French
William Sherwood
— Bank Manager
Andrew Laurence
— Bank Clerk
Patricia Shakesby
— Typist
Anthony Baird
— City Constable
Tom Clegg
— Dropkick
Meadows White
— Mortuary Attendant
Fred McNaughton
— Police Superintendent