Warner Oland

Charlie Chan

Boris Karloff

Gravelle

Keye Luke

Lee Chan

William Demarest

Sergeant Kelly

Guy Usher

Inspector Regan

Margaret Irving

Mme. Lilli Rochelle

Gregory Gaye

Enrico Borelli

Nedda Harrigan

Mme. Lucretia Bor...

H. Bruce Humberstone

Yönetmen

CH

Charles S. Belden

Writer

Warner Oland

Charlie Chan

Boris Karloff

Gravelle

Keye Luke

Lee Chan

William Demarest

Sergeant Kelly

Guy Usher

Inspector Regan

Margaret Irving

Mme. Lilli Rochelle

Gregory Gaye

Enrico Borelli

Nedda Harrigan

Mme. Lucretia Bor...

Frank Conroy

Mr. Whitely

Charlotte Henry

Mlle. Kitty

Thomas Beck

Phil Childers

Maurice Cass

Mr. Arnold

Tom McGuire

Pop Morris - Stag...

Marc Lawrence

Undetermined Mino...

Joan Woodbury

Dancer in Opera (...

William Bailey

Detective (uncred...

CH

Charles Bancroft

Soldier in Opera ...

John Bleifer

Murdered Orderly ...

Stanley Blystone

Backstage Cop Who...

MY

Myrta Bonillas

Villager in Opera...

RA

Raymond Brown

Guard (uncredited)

CA

Carita Crawford

Dancer in Opera (...

PA

Patrick Cunning

Villager in Opera...

ZA

Zari Elmassian

Mme. Rochelle (si...

Frank Fanning

Cop (uncredited)

Jim Farley

Detective (uncred...

Adolph Faylauer

Opera Spectator (...

LA

Larry Fisher

Cop (uncredited)

Benson Fong

Opera Supernumera...

J.

J. C. Fowler

Opera Spectator (...

Otto Fries

Innkeeper (uncred...

Bud Geary

Cop (uncredited)

MI

Milton Gowman

Villager in Opera...

HE

Herschel Graham

Villager in Opera...

HA

Harrison Greene

Detective (uncred...

Julia Griffith

Opera Spectator (...