Charlie Chan
Roland Winters
Evelyn Manning
Wanda McKay
Pete
Lee 'Lasses' White
Townsman (uncredited)
Arthur Berkeley
Miner (uncredited)
Edmund Cobb
Girl in Riding Clothes (uncredited)
Geraldine Cobb
Bathing Girl (uncredited)
Babs Cox
Dr. Groves (uncredited)
Sam Flint
Wong Fai (uncredited)
Lee Tong Foo
Pursuer (uncredited)
Michael Gaddis
Man in the Darkness (voice) (uncredited)
Jack Gargan
Mary Ann Hawkins
Birmingham Brown
Mantan Moreland
Dude Ranch Guest (uncredited)
Shep Houghton
John Merton
Suzanne Ridgway
Henchman (uncredited)
Martin Strader
Tommy Chan (as Victor Sen Young)
Victor Sen Yung
Talbot Bartlett
Bruce Kellogg
Vincent O'Brien / Lt. Mike Ruark
Tim Ryan
Sister Teresa
Evelyn Brent
Jim. Driscoll
Ralph Dunn
Mrs. Margaret Driscoll
Lois Austin
Mr. Manning
Forrest Taylor
Director
William Beaudine
Characters
Earl Derr Biggers
Writer
Scott Darling
Editor
Ace Herman
Director of Photography
William A. Sickner
Production Manager
Allen K. Wood
Set Decoration
Raymond Boltz Jr.
Producer
James S. Burkett
Sound
John K. Kean
Script Supervisor
Jules V. Levy
Supervising Editor
Otho Lovering
Makeup Artist
Web Overlander
Camera Operator
John J. Martin
Art Direction
Dave Milton
Franklin Hansen
Grip
Grant Tucker
Hairstylist
Lela Chambers