哈罗德·弗伦奇

Harold French

饰：Bernard Wingate

Dino Galvani

马尔科姆·基恩

Malcolm Keen

饰：Henry Garwood

吉布·麦克劳克林

Gibb McLaughlin

饰：Littleton Pardmore

Sam Livesey

饰：Inspector Thompson

Frank Pettingell

饰：Prof. Macguire

Lilian Oldland

Lilian Oldland

饰：Joyce Newcombe,(as Mary Newland)

Henrietta Watson

饰：Mrs. Delahunt

Henry Carlisle

Henry Carlisle

饰：Clayton