马尔科姆·基恩

Malcolm Keen

饰：Mark Lyndon

Joyce Kennedy

饰：Mrs. Bredon

Kathleen Kelly

饰：Joan Bredon

Henry B. Longhurst

饰：Inspector Hurley,(as Henry Longhurst)

Jack Raine

饰：Philip Tarry

Martin Lewis

饰：John Bredon

Gordon Begg

饰：Holford