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