Dirk Bogarde as Simon Sparrow

Muriel Pavlow as Nurse Joy Gibson

Kenneth More as Richard Grimsdyke

Donald Sinden as Tony Benskin

Kay Kendall as Isobel Minster

James Robertson Justice as Sir Lancelot Spratt

Donald Houston as Taffy Evans

Suzanne Cloutier as Stella

George Coulouris as Briggs

Jean Taylor Smith as Sister Virtue

Nicholas Phipps as Magistrate

Geoffrey Keen as Dean

Martin Boddey as Demonstrator at Pedal Machine

Joan Sims as Rigor Mortis

Gudrun Ure as May

Harry Locke as Jessup

Cyril Chamberlain as Policeman

Ernest Clark as Dr. Parrish

Maureen Pryor as Mrs. Cooper

George Benson as Lecturer on Drains

Shirley Eaton as Millicent "Milly" Groaker

Eliot Makeham as Elderly Examiner

Joan Hickson as Mrs. Groaker

Brian Oulton as Medical Equipment Salesman

Noel Purcell as Padre (uncredited)

Amy Veness as Grandma Cooper (uncredited)

Mona Washbourne as Midwifery Sister (uncredited)

Richard Wattis as Medical Book Salesman (uncredited)

Carol White as Girl (uncredited)