Cast
Derek Newark
Mercer
Candace Glendenning
Elizabeth (uncredited)
Andrew McCulloch
Billy
George Innes
Insp. Timothy
Patrick Allen
Insp. Cook
Dudley Sutton
Finch
Ambrosine Phillpotts
Lady Truesdale
Arthur Hewlett
Benjy
Spencer Banks
Charlie Todd
Patrick Holt
Steward
George Sewell
Henry Stewart
Christopher Malcolm
Jock
Richard Wattis
Sir Hilary Stanton
Allan Cuthbertson
Gus Ashley
Peter Firth
Robert 'Bobby' Stewart
Barry Jackson
Wheeler
Edwin Richfield
Robin Langford
Peter Pitt
Tom Bowman
John Savident
Steward
George Woodbridge
PC Andrew