Ace Drummond
(1936) 
Directed by Ford Beebe and Clifford Smith
Cast:
John 'Dusty' King .... Ace Drummond
Jean Rogers .... Peggy Trainor 
Noah Beery Jr. .... Jerry 
Guy Bates Post .... The Grand Lama 
Lon Chaney Jr. .... Henchman Ivan 
Jackie Morrow .... Billy Meredith 
Selmer Jackson .... William Meredith, Sr. 
Robert Warwick .... Winston 
James B. Leong .... Henry Kee
Chester Gan .... Kai-Chek 
Arthur Loft .... Chang-Ho, The Dragon 
James Eagles .... Johnny Wong, Radio Operator 
C. Montague Shaw .... Dr. Trainor
Frederick Vogeding .... Bauer
Al Bridge .... Paul Wyckoff 
Hooper Atchley .... Caldoni 
Edmund Cobb .... Henchman Nicolai
Louis Vincenot .... Lotan
Sam Ash .... Le Page
Stanley Blystone .... Henchman Sergei
George DeNormand .... Henchman
Diana Gibson .... Stewardess
Lew Hicks .... Bit Part
Eddie Parker .... Co-pilot O'Connor/Mongolian Henchman/Car Driver/Dimitri/Sedan Bearer
Edward Peil Sr. .... Queen of India passenger 
House Peters Jr. .... Pete, Second pilot
Dewey Skipworth .... Sedan Bearer
Tom Steele .... Henchman
Russell Wade .... Second co-pilot
Dick Wessel .... Henchman Boris
This 13 chapter serial is based on the comic strip character Ace Drummond created by Eddie Rickenbacker. Ace is a 'G-Man of the sky' working out of Washington D.C. He is sent to Mongolia to find out why a mysterious villain known only as 'The Dragon' is trying to prevent the newly formed International Airways from setting up an airport there. Ace meets Peggy Trainor (Jean Rogers) who is searching for her archaeologist father who has disappeared. Together they search for answers to the puzzles.
Chapter titles:
Chapter 1: Where East meets West / Chapter 2: The Invisible Enemy
Chapter 3: The Doorway of Doom / Chapter 4: The Radio Riddle
Chapter 5: Bullets of Sand / Chapter 6: Evil Spirits
Chapter 7: The Trackless Trail / Chapter 8: The Sign in the Sky
Chapter 9: Secret Service / Chapter 10: The Mountain of Jade
Chapter 11: The Dragon Commands / Chapter 12: The Squadron of Death
Chapter 13: The Worlds Akin