Donald Gray

饰：James Martin

Ann Wemyss

Ann Wemyss

饰：Joan Bauer

Mary Newcomb

饰：Helen Rollins

Ronald Ward

饰：Michael Waring

Henri De Vries

饰：Professor Bauer

阿拉斯塔尔·西姆

Alastair Sim

饰：'Pop' Lawler

James Carew

饰：Dr. Rollins

Henry Caine

饰：Sergeant Cox

Eric Hales

Eric Hales

饰：Carter

Joana Pereira

Joana Pereira

饰：Miss Bauer

Arnold Bell

饰：Leech

Lillian Talbot

Lillian Talbot

饰：Mrs. Barker

Martin Lewis

饰：Minor Role

Charles Howard

Charles Howard

饰：Minor Role (uncredited)