On screen
Cast
24 credited performers
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
Vincent O'Brien / Lt. Mike Ruark
Evelyn Brent
Sister Teresa
Ralph Dunn
Jim. Driscoll
Artwork unavailable
Lois Austin
Mrs. Margaret Driscoll
Forrest Taylor
Mr. Manning
Lee 'Lasses' White
Pete
Artwork unavailable
Arthur Berkeley
Townsman (uncredited)
Edmund Cobb
Miner (uncredited)
Artwork unavailable
Geraldine Cobb
Girl in Riding Clothes (uncredited)
Artwork unavailable
Babs Cox
Bathing Girl (uncredited)
Sam Flint
Dr. Groves (uncredited)
Artwork unavailable
Lee Tong Foo
Wong Fai (uncredited)
Artwork unavailable
Michael Gaddis
Pursuer (uncredited)
Jack Gargan
Man in the Darkness (voice) (uncredited)
Artwork unavailable
Mary Ann Hawkins
Bathing Girl (uncredited)
Shep Houghton
Dude Ranch Guest (uncredited)
John Merton
Miner (uncredited)
Suzanne Ridgway
Dude Ranch Guest (uncredited)
Artwork unavailable
Martin Strader
Henchman (uncredited)