Discover
Peter Firth
Robert 'Bobby' Stewart
George Sewell
Henry Stewart
Patrick Allen
Insp. Cook
Derek Newark
Mercer
Dudley Sutton
Finch
Barry Jackson
Wheeler
Christopher Malcolm
Jock
Richard Wattis
Sir Hilary Stanton
Ambrosine Phillpotts
Lady Truesdale
Allan Cuthbertson
Gus Ashley
Arthur Hewlett
Benjy
Spencer Banks
Charlie Todd
Cynthia Lund
Susan Stewart
Candace Glendenning
Elizabeth (uncredited)
Robin Langford
Peter Pitt
John Savident
Steward
Mark Edwards
Whiteman
Patrick McAlinney
Junkman
Andrew McCulloch
Billy
George Woodbridge
PC Andrew
Patrick Holt
Steward
Maggie Hanley
Mrs. Maggie Stewart
George Innes
Insp. Timothy
Crew
Michael Reed
Cinematography
Directing
Jerome Courtland
Director
Crew
Michael Reed
Cinematography
Directing
Jerome Courtland
Director