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