西尔维娅·西德尼

Sylvia Sidney

饰：文寇太太 Mrs. Verloc (as Sylvia Sydney)

奥斯卡·霍莫尔卡

Oskar Homolka

饰：卡尔·安东 Karl Anton Verloc (as Oscar Homolka)

约翰·洛德

John Loder

饰：中士泰德斯宾塞 Sgt. Ted Spencer

萨拉·奥尔古德

Sara Allgood

饰：Bird shop customer (uncredited)

查尔斯·霍特里

Charles Hawtrey

饰：Studious youth at the aquarium (uncredited)

奥斯汀·特雷弗

AustinTrevor

饰：Vladimir (uncredited)

Desmond Tester

饰：Steve

乔伊思巴伯

Joyce Barbour

饰：Renee

马修·博尔顿

Matthew Boulton

饰：Superintendent Talbot

S.J. Warmington

饰：Hollingshead

William Dewhurst

饰：The Professor

Frank Atkinson

饰：Bit part (uncredited)

Arnold Bell

饰：Bit part (uncredited)

Pamela Bevan

饰：Bit part (uncredited)

彼得·布尔

Peter Bull

饰：Michaelis (uncredited)

Albert Chevalier

饰：Bit part (uncredited)

D.A. Clarke-Smith

饰：Bit part (uncredited)

Hal Gordon

饰：Bit part (uncredited)

Clare Greet

饰：Mrs. Jones (the cook) (uncredited)

玛莎·亨特

Martita Hunt

饰：The professor's daughter (uncredited)

奥布里·马瑟

Aubrey Mather

饰：W. Brown & Sons greengrocer (uncredited)

弗雷德里克·派珀

Frederick Piper

饰：Bus conductor (uncredited)

托林·撒切尔

Torin Thatcher

饰：Yunct (uncredited)

Jack Vyvian

饰：Detective (uncredited)

Sam Wilkinson

饰：Cinema patron who wants his money back (uncredited)

Betty Bascomb