Hardy Krüger

Wolf Hauser

Sylvia Syms

Ann Wainwright

Ronald Lewis

Hugo Foster

Eric Barker

Aubrey Murdock

Miles Malleson

Dr. Butson

Peter Myers

Jeremy

Philip Gilbert

Conrad Lewis

Charles Kay

Tom Kay

John Richardson

Robin

Sandra Francis

Lois

Barbara Steele

Fiona

Beatrice Varley

Mrs. Upcott

Hugh Morton

Lecturer

Everley Gregg

Lady Don

David Buck

Student at Lecture (uncredited)

Peter Cook

Pedestrian in Street (uncredited)

Roger Hammond

Undergraduate pushing the car (uncredited)

Oliver Johnston

Professor Gadsworth (uncredited)

Frank Williams

Police Constable Hesketh