Charlie Chan
Roland Winters
Sgt. Bill Davidson
Warren Douglas
Lillie Mae Wong
Chabing
Armstrong's Majordomo
Lee Tung Foo
Police Guard at Apartment 26
Jack Mower
Kelso's Secretary
Charmienne Harker
Desk Sergeant
Paul Bryar
Hotel Desk Clerk
Thornton Edwards
Dimples Cooper
Dr. Hickey
George Spaulding
Pedestrian (uncredited)
Mary Chan
Chinese Boy (uncredited)
Thayer Cheek
Peggy Cartwright
Louise Currie
Kenneth Chuck
Detective (uncredited)
Tom Coleman
Armstrong's Butler (uncredited)
Lee Tong Foo
Kelso's Stenographer (uncredited)
Dock Worker (uncredited)
Joseph C. Narcisse
Cap Somers
Hamishin (uncredited)
Richard Wang
Birmingham Brown
Mantan Moreland
Tommy Chan
Victor Sen Yung
Captain Kong
Philip Ahn
Captain James J. Kelso
Thayer Roberts
Armstrong
Byron Foulger
Princess Mei Ling
Jean Wong
Cargo Officer
Spencer Chan
Director
William Beaudine
Characters
Earl Derr Biggers
Screenplay
Scott Darling
Art Direction
Dave Milton
Editor
Richard V. Heermance
Director of Photography
William A. Sickner
Assistant Director
Kenneth Kessler
Producer
James S. Burkett
William A. Calihan Jr.
Set Decoration
Raymond Boltz Jr.
Ace Herman
Hairstylist
Lela Chambers
Grip
Harry Lewis
Gaffer
Lloyd Garnell