Renfrew of the Royal Mounties suspects foul play when a government mail service plane mysteriously crashes.
Director: Ralph Staub
Actor: Dave "Tex" O'Brien
Actor: Dave O'Brien
Actor: James Newill
Actor: Louise Stanley
Actor: Warren Hull
Actor: William Pawley
Actor: Bob Terry
Actor: Earl Douglas
Actor: George Humbert
Actor: Jack Clifford
Actor: Karl Hackett
Actor: Roy Barcroft