Jack Hawkins
— John Grant
Elizabeth Allan
— Susan Grant
Eva Bartok
— Mrs. Thorpe
Derek Farr
— Tony Teale
Michael Goodliffe
— Kennedy
Walter Fitzgerald
— Anthony Black
Patricia Marmont
— Julie Black
Jenny Jones
— Jenny Jones
Helen Haye
— Susan's Mother
Stephen Vercoe
— Craig
Guy Middleton
Ronald Adam
Henry Mollison
Tristan Rawson
Pat McGrath
— Charles (uncredited)