Ace Drummond
VoltarElenco
John 'Dusty' KingAce Drummond
Jean RogersPeggy Trainor
Noah Beery Jr.Jerry- Jackie MorrowBilly Meredith
Chester GanKai-Chek
Guy Bates PostThe Grand Lama
Lon Chaney Jr.Henchman Ivan
Selmer JacksonWilliam Meredith, Sr.
Robert WarwickWinston
James B. LeongHenry Kee
Arthur LoftChang-Ho- James EaglesJohnny Wong, Radio Operator
C. Montague ShawDr. Trainor
Frederick VogedingBauer
Al BridgePaul Wyckoff
