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