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