Charlie Chan
Evelyn Manning
Birmingham Brown
Tommy Chan (as Victor Sen Young)
Talbot Bartlett
Vincent O'Brien / Lt. Mike Ruark
Sister Teresa
Jim. Driscoll
Mrs. Margaret Driscoll
Mr. Manning
Pete
Townsman (uncredited)
Miner (uncredited)
Girl in Riding Clothes (uncredited)
Bathing Girl (uncredited)
Dr. Groves (uncredited)
Wong Fai (uncredited)
Pursuer (uncredited)
Man in the Darkness (voice) (uncredited)
Bathing Girl (uncredited)
Dude Ranch Guest (uncredited)
Miner (uncredited)
Dude Ranch Guest (uncredited)
Henchman (uncredited)