Cast
Guy Standeven
Ships Steward (uncredited)
James Robertson Justice
Captain McKenzie
Paul Carpenter
Bruce Martin
Geoffrey Toone
Mr. Tobin
Oliver Johnston
Lord Chief Justice
Totti Truman Taylor
Miss Curnow
Donald Wolfit
R.D. Muir (as Sir Donald Wolfit)
Olga Lindo
Mrs. Clara Arditti
John Arnatt
Chief Inspector Dew
Hamilton Dyce
Dr. Rogers
Max Faulkner
Radio Officer Andrews (uncredited)
Donald Pleasence
Dr. Hawley Harvey Crippen
Coral Browne
Belle Crippen
Samantha Eggar
Ethel Le Neve
Edward Underdown
The Governor
Basil Henson
Mr. Arditti