Cast
Donald Wolfit
R.D. Muir (as Sir Donald Wolfit)
Geoffrey Toone
Mr. Tobin
Olga Lindo
Mrs. Clara Arditti
Edward Underdown
The Governor
Paul Carpenter
Bruce Martin
John Arnatt
Chief Inspector Dew
Basil Henson
Mr. Arditti
Totti Truman Taylor
Miss Curnow
Guy Standeven
Ships Steward (uncredited)
James Robertson Justice
Captain McKenzie
Oliver Johnston
Lord Chief Justice
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