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