Geoffrey Keen
as
Charles Dixon
Oscar Quitak
as
David
Margaretta Scott
as
Helen Dixon
Meredith Edwards
as
Sgt. Rogers
Sam Kydd
as
Bookmakers Assistant at White City
Jennifer Jayne
as
June
Meredith Edwards
as
PC 'Taff' Hughes
Harry Watt
Director
Anthony Steel
as
Bob Payton
Andrew Cruickshank
as
Governor
Meredith Edwards
as
Gwyl Davis
Harold Warrender
as
Mannering
Meredith Edwards
as
Harper
James Fox
as
Johnny Brent
David Boyd
as
Mike
Geoffrey Keen
as
Chief-Superintendent Jim Malcolm
Stratford Johns
as
Constable
Meredith Edwards
as
Mr. Thomas
Ian Bannen
as
The Young Workman - Stanley James
Anne Baxter
as
Dr. Anne Dyson
Anthony Booth
as
Gravy
Ray Barrett
as
Insp. Wagstaffe
Meredith Edwards
as
Johnson
Meredith Edwards
as
Chairman
Aubrey Morris
as
Hutch
Michael Ripper
as
The Liftman
Stratford Johns
as
The Voice
Meredith Edwards
as
Narrator
Sam Kydd
as
Carslake
Denholm Elliott
as
Morell
Meredith Edwards
as
Yeoman Wells
Hayley Mills
as
Gillie
Marianne Stone
as
Mrs. Williams
Meredith Edwards
as
P.C. Williams
Michael Anderson Jr.
as
Youth
Meredith Edwards
as
Auctioneer
Michael Brennan
as
Queensbury's Friend at Auction
Nigel Patrick
as
Sir Edward Clarke
Marianne Stone
as
Miss Carpenter
Meredith Edwards
as
Twm
Robert Shaw
as
Chemist at Police Exhibition
Patrick Barr
as
Divisional Detective Inspector
Meredith Edwards
as
P.C. Williams
Arthur Hambling
as
Wallis