Cast
Sir Henry Leland
Letty Carstairs
Lt. Christopher «Kit» Hilton
Dr. Frederick Holmes
Hugh Penhryn
Bart Redmond
Ruby, not listed in creditsа
Tom Andrews, not listed in credits
Herbert, not listed in creditsPeddler, not listed in credits Saul Bevans, not listed in credits 
Luke, not listed in credits
Civil Defense Officer, not listed in credits
Army Commander, not listed in credits
Roger Porley, not listed in credits
Simon Tewksbury, not listed in credits
Policeman, not listed in credits
Headless Man, not listed in credits
