Dirk Bogarde as Simon Sparrow

Muriel Pavlow as Nurse Joy Gibson

Kenneth More as Richard Grimsdyke

Donald Sinden as Tony Benskin

Kay Kendall as Miss 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 Nurse 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 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)

Shirley Burniston as Barbara (uncredited)

Tony Castleton as Medical Student (uncredited)

Mary Chapman as Girl (uncredited)

Mike Conner as Lecturer (uncredited)

Mark Dignam as Examiner at Microscope (uncredited)

Anthony Faramus as Patient (uncredited)

Felix Felton as Examiner (uncredited)

Lisa Gastoni as Jane (uncredited)

Wyndham Goldie as Examiner (uncredited)

Richard Gordon as George Stubbins (uncredited)

Fred Griffiths as Taxi Driver (uncredited)

Patrick Halpin as Medical Student (uncredited)

Aidan Harrington as Medical Student (uncredited)

Bob Head as Patient (uncredited)

Joan Ingram as Examiner (uncredited)

Douglas Ives as Alfie Sprogett (uncredited)

Barry Johns as Medical Student (uncredited)

Jack Mandeville as Policeman (uncredited)

Anthony Marlowe as Paul Grey (uncredited)

Norman Morris as Medical Student (uncredited)

Richard Neller as Doctor (uncredited)

Louise Nolan as Nun (uncredited)

Arthur Sandifer as Porter (uncredited)

Terry Sartain as Medical Student (uncredited)

Bruce Seton as Police Driver (uncredited)

Jack Silk as Medical Student (uncredited)

Jeff Silk as Medical Student (uncredited)

Paddy Smith as Medical Student (uncredited)

Geoffrey Sumner as Forensic Lecturer (uncredited)

Graham Tonbridge as Doctor (uncredited)

Harry Van Engel as Medical Student (uncredited)

Martin Voss as Medical Student (uncredited)

Joe Wadham as Policeman in Court (uncredited)

Eric Wetherell as Medical Student (uncredited)

Billy Wilmot as Visitor (uncredited)