Characters played by Barbara Steele
Margaret Hichcock
Characters played by Peter Baldwin
Dr. Charles Livingstone
Characters played by Elio Jotta
Dr. John Hichcock
Characters played by Harriet Medin
Catherine Wood - Housekeeper
Characters played by Carol Bennet
Woman
Characters played by Carlo Kechler
Police Superintendent
Characters played by Umberto Raho
Canon Owens
Characters played by Reginald Price Anderson
Albert Fisher