Cast
Roland Winters
Charlie Chan
Wanda McKay
Evelyn Manning
Mantan Moreland
Birmingham Brown
Victor Sen Yung
Tommy Chan (as Victor Sen Young)
Bruce Kellogg
Talbot Bartlett
Tim Ryan
(I)
(1899–1956)
Vincent O'Brien / Lt. Mike Ruark
Evelyn Brent
Sister Teresa
Ralph Dunn
Jim. Driscoll
Lois Austin
Mrs. Margaret Driscoll
Forrest Taylor
Mr. Manning
Lee ‘Lasses’ White
Pete
Edmund Cobb
Miner (uncredited)
Sam Flint
Dr. Groves (uncredited)
Jack Gargan
Man in the Darkness (voice) (uncredited)
Shep Houghton
Dude Ranch Guest (uncredited)
John Merton
Miner (uncredited)
Suzanne Ridgway
Dude Ranch Guest (uncredited)
Directing
William Beaudine
Director
Jules V. Levy
Script Supervisor
Writing
Scott Darling
Writer
Earl Derr Biggers
Characters
Art
Dave Milton
Art Direction
Raymond Boltz Jr.
Set Decoration
Camera
William A. Sickner
Director of Photography
John J. Martin
Camera Operator
Production
James S. Burkett
Producer
Allen K. Wood
Production Manager
Costume & Make-Up
Lela Chambers
Hairstylist
Web Overlander
Makeup Artist
Editing
Ace Herman
Editor
Otho Lovering
Supervising Editor
Sound
Franklin Hansen
Sound
John K. Kean
Sound