威廉·格根

William Gargan

饰：Ellery Queen

玛格丽特·琳赛

Margaret Kies

饰：Nikki Porter

查利· 格雷普韦恩

Charles Ellsworth Grapewin

饰：Inspector Richard Queen

盖儿 桑德加德

Gale Sondergaard

饰：Mrs. Van Dorn

吉尔伯特·罗兰

Gilbert Roland

饰：Paul Gillette

Sig Ruman

Sig Ruman

饰：Heinrich, Spy Leader

詹姆斯·伯克

James Burke

饰：Police Sergeant Velie

厄恩斯特·多伊奇

Ernst Deutsch

饰：Dr. Morse, Lido Club Physician (as Ernest Dorian)

Maurice Cass

饰：Mr. Calkus, Museum Owner

迈纳·沃森

Minor Watson

饰：Commander Lang

Felix Basch

饰：Helm, Lido Club Manager

约翰·汉密尔顿

John Hamilton

饰：Bracken, The Police Commissioner

Michael Rand

Michael Rand

饰：Marine Sgt. Stevens

路德维希·多纳特

Ludwig Donath

饰：Reece (as Louis Donath)

迪克·韦塞尔

Dick Wessel

饰：The Big Sailor

比利·布莱彻

Billy Bletcher

饰：The Small Sailor

Willy Castello

饰：Van Dorn Chauffeur (uncredited)

多萝茜·格兰杰

Dorothy Granger

饰：Apartment Tenant (uncredited)

格蕾斯·海尔

Grace Hayle

饰：Overweight Woman (uncredited)

William Newell

饰：Apartment Tenant (uncredited)

Jack Rice

饰：Railway Ticket Agent (uncredited)

Arthur Space

饰：Lido Club Desk Clerk (uncredited)

Harry Strang

饰：Marine Corporal (uncredited)

Fred 'Snowflake' Toones

饰：Train Porter (uncredited)

汉斯·海因里希·冯·特尔瓦多夫斯基

Hans Heinrich von Twardowski

饰：Captain Earhardt (uncredited)

James Seay