Mai Zetterling
— Mrs. Carol Edwards
Fay Compton
— Mrs. Christopher
Dirk Bogarde
— Stephen Mundy
Robert Flemyng
— Dr. Giles Freeman
Michael Gough
— Maurice Edwards
James Robertson Justice
— Mr. Sine
Joan Rice
— Alma
Wilfrid Hyde-White
— Lord Dearsley
Cyril Chamberlain
— Police Constable
Harold Huth
— Hugh Sainsbury
Nora Gordon
— Sine's Housekeeper
Charles Saynor
— Police Constable - Giles' Car
Derrick Penley
— Patrick
Peter Owen
— Chief Printer
Dennis Brian
— Sub-Editor
Arthur Hambling
— Inspector Canin
Shirley Wright
— Mary
Bruce Seton
— Supt. Crowe
Michael Ingham
— Crowe's Assistant
Johnnie Schofield
— Maurice's Taxi Driver
Marianne Stone
— Maggie
Betty Cooper
— Giles' Assistant
Vernon Greeves
— Hugh's Secretary
Lillian Shaw
— Bathing Beauty Competitor
Helen Goss
— Matron
Constance Smith
— Nurse Anne
Dorothy Bramhall
— Mary's Day Nurse
Joan Schofield
— Mary's Night Nurse
Edie Martin
— Mrs. Porritt - a Patient
Valentine Dunn
— Nurse in Corridor