导演

H. Bruce Humberstone

编剧

Charles Belden

Scott Darling

Bess Meredyth

演员

华纳·欧兰德

Warner Oland

饰  Charlie Chan

波利斯·卡洛夫

Boris Karloff

饰  Gravelle

陆锡麒

Keye Luke

饰  Lee Chan

威廉·德马雷斯特

William Demarest

饰  Sergeant Kelly

Guy Usher

饰  Inspector Regan

Margaret Irving

饰  Mme. Lilli Rochelle

Gregory Gaye

饰  Enrico Borelli

Nedda Harrigan

饰  Mme. Anita Borelli

Frank Conroy

饰  Mr. Whitely

Charlotte Henry

饰  Kitty Rochelle

Thomas Beck

饰  Phil Childers

Maurice Cass

饰  Mr. Arnold

Tom McGuire

饰  Unidentified (Script

John Bleifer

饰  Murdered Orderly (un

Stanley Blystone

饰  Backstage Cop (shoot

邝炳雄

Benson Fong

饰  Opera Extra (uncredi

Harrison Greene

饰  Bit (uncredited)

Selmer Jackson

饰  Hudson, wire-photo t

Gladden James

饰  Secretary (uncredite

Fred Kelsey

饰  Dugan, Policeman (un

Lee Shumway

饰  Sanatarium Guard (un

Hilda Vaughn

饰  Agnes (uncredited)

Emmett Vogan

饰  Smitty, Wire-photo T

Joan Woodbury

饰  (uncredited)

摄影

Lucien N. Andriot

音效

Harry M. Leonard

George Leverett

Sam Benson

音乐

奥斯卡·莱文特

Oscar Levant

William Kernell

艺术指导

Duncan Cramer

Lewis H. Creber

服装

Herschel McCoy

副导演/助理导演

Sol Michaels

剪辑

Alex Troffey