Roland Winters

Charlie Chan

Warren Douglas

Police Sgt. Bill Davidson

Louise Currie

Peggy Cartwright

Mantan Moreland

Birmingham Brown

Victor Sen Yung

Tommy Chan (as Victor Sen Young)

Philip Ahn

Captain Kong

Thayer Roberts

Captain James J. Kelso

Byron Foulger

Armstrong

Jean Wong

Princess Mei Ling

Spencer Chan

Cargo Officer

Chabing

Lillie Mae Wong

Lee Tung Foo

Armstrong's Majordomo

Jack Mower

Police Guard at Apartment 26

Charmienne Harker

Kelso's Secretary

Paul Bryar

Desk Sergeant

Thornton Edwards

Hotel Desk Clerk

George Spaulding

Dr. Hickey (scenes deleted)

Dimples Cooper

Lillie Mae Wong (as Chabing)

George Spaulding

Dr. Hickey (as George L. Spaulding)

Mary Chan

Pedestrian (uncredited)

Thayer Cheek

Chinese Boy (uncredited)

Kenneth Chuck

Chinese Boy (uncredited)

Tom Coleman

Detective (uncredited)

Lee Tong Foo

Armstrong's Butler (uncredited)

Charmienne Harker

Kelso's Stenographer (uncredited)

Joseph C. Narcisse

Dock Worker (uncredited)

Cap Somers

Dock Worker (uncredited)

Richard Wang

Hamishin (uncredited)