Cast
Roland Winters
Charlie Chan
Wanda McKay
Evelyn Manning
Mantan Moreland
Birmingham Brown
Bruce Kellogg
Talbot Bartlett
Sam Flint
Dr. Groves (uncredited)
Shep Houghton
Dude Ranch Guest (uncredited)
Tim Ryan
Vincent O'Brien / Lt. Mike Ruark
Lee 'Lasses' White
Pete
John Merton
Miner (uncredited)
Victor Sen Yung
Tommy Chan (as Victor Sen Young)
Evelyn Brent
Sister Teresa
Edmund Cobb
Miner (uncredited)
Jack Gargan
Man in the Darkness (voice) (uncredited)
Suzanne Ridgway
Dude Ranch Guest (uncredited)
Ralph Dunn
Jim. Driscoll
Forrest Taylor
Mr. Manning