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