Tom Dugan
Oil Co. Director Warren
Boris Karloff
The Voice (voice)
Paul Weigel
Oil Co. Director Larribee
Harry Carey
'Happy' Cardigan
Olive Carey
Nurse Lewis
Frankie Darro
Jimmie Williams
Yakima Canutt
Yak
Al Taylor
Sheriff of Slocum / Deputy Thompson / Henchman Dave / Horseman
Lafe McKee
T.J. Hornbeck
Dick Dickinson
Rawlins
Frank Brownlee
Oil Co. Director Bishop
Bob Kortman
Marno
Rex
Rex
Joe Bonomo
Stuffy
Edwina Booth
Caroline Hall
Edward Hearn
Jed Williams
Bob Walker
Oil Co. Director Allen
Philo McCullough
Stevens
Pete Morrison
Pete Morrison
William Desmond
Milesburg Sheriff
Dick Hatton
James "Dodger" Valenti