Supt. Mike Halloran
John Mills
Dr. John Fenner
Charles Coburn
Dr. Reese
Raymond Huntley
Leslie (Bandleader)
Harry Fowler
Mary Roper
Maureen Connell
Molly Stevens
Magda Miller
Asst. Commissioner Beckett
Newton Blick
David
Oscar Quitak
Mrs. Gerrard
Totti Truman Taylor
Club Committee Woman
Grace Arnold
'Fiona' / Fiona Dixon
Elizabeth Seal
Elizabeth Fenner
Barbara Bates
Mark Roper
Derek Farr
Peter Crowley (as Alec Mc Cowen)
Alec McCowen
Mrs. Crowley
Fay Compton
Charles Dixon
Geoffrey Keen
Helen Dixon
Margaretta Scott
Police Sgt. Rogers
Meredith Edwards
Police Sgt. Beale
Harry Locke
Original Music Composer
Tristram Cary
Writer
Ken Hughes
Director
John Guillermin
Art Direction
John Elphick
Hairstylist
Bobbie Smith
Robert Westerby
Director of Photography
Basil Emmott
Producer
Maxwell Setton
Editor
Max Benedict
Makeup Artist
Eric Carter