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

Forrest Taylor

Mr. Manning

Lee 'Lasses' White

Pete

Edmund Cobb

Miner (uncredited)

Sam Flint

Dr. Groves (uncredited)

Shep Houghton

Dude Ranch Guest (uncredited)

John Merton

Miner (uncredited)

Suzanne Ridgway

Dude Ranch Guest (uncredited)