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