Cast
John Richardson
Student
Bernard Miles
Ted Harris
Paul Massie
David Harris
Earl Cameron
Dr. Robbins
Rupert Davies
Ferris
Lucy Griffiths
Johnnie Fiddle's Landlady
Philip Lowrie
Student
Dolores Mantez
Student (International Club)
Desmond Llewelyn
Police Constable
Thomas Baptiste
Man on the Street
Lloyd Reckord
Pianist in International Club
Boscoe Holder
Dancer in Nightclub
Michael Craig
Inspector Phil Learoyd
Barbara Steele
Student
Peter Vaughan
Detective Whitehead (uncredited)
Susan Stranks
Student
Dorothy Gordon
Lily
Vanda Hudson
Girl at Tulip Club
Philip Ray
Mr. Young
Gordon Heath
Paul Slade
Yvonne Buckingham
Sapphire Robbins
Basil Dignam
Doctor Burgess
Nigel Patrick
Superintendent Robert Hazard
Dan Jackson
Nightclub Owner
Yvonne Mitchell
Mildred
Fenella Fielding
Lingerie Shop Manageress
Grace Arnold
Sapphire's Landlady
Richard Vernon
Doctor at Crime Scene
Olga Lindo
Mrs. Harris
Freda Bamford
Sgt. Cook
Orlando Martins
Barman
Harry Baird
Johnnie Fiddle
Victor Brooks
Police Sgt.
Nora Gordon
Newsagent's Wife