A mysterious master criminal known as The Voice plots with his gang to sabotage the Milesburg Oil Company, but the rightful heir has a secret army of her own to protect her rights.
Harry Carey
'Happy' Cardigan
Edwina Booth
Caroline Hall
William Desmond
Milesburg Sheriff
Frankie Darro
Jimmie Williams
Philo McCullough
Stevens
Yakima Canutt
Yak
Joe Bonomo
Stuffy
Tom Dugan
Oil Co. Director Warren
Lafe McKee
T.J. Hornbeck
Bob Kortman
Marno
Edward Hearn
Jed Williams
Paul Weigel
Oil Co. Director Larribee
