Director
Ford Beebe
DIRECTOR
B. Reeves Eason
Writer
Wyndham Gittens
WRITER
Helmer Walton Bergman
Stars (in credits order)
Harry Carey
Happy Cardigan
Edwina Booth
Caroline Hall
Rex the Wonder Horse
Rex
William Desmond
Milesburg Sheriff
Frankie Darro
Jimmie Williams
Philo McCullough
Stevens
Yakima Canutt
Yak [Chs. 1 & 3]
Joe Bonomo
Stuffy
Tom Dugan
Oil Co. Director Warren
Lafe McKee
T.J. Hornbeck
Bob Kortman
Henchman Marno
Edward Hearn
Jed Williams
Paul Weigel
Oil Co. Director Larribee
Frank Brownlee
Oil Co. Director Bishop
Olive Carey
Nurse Lewis [Chs. 9-12]
Robert Walker
Oil Co. Director Allen
Al Taylor
Sheriff of Slocum [Ch. 1]
Dick Dickinson
Rawlins [Ch. 7]
Pete Morrison
Oil Worker Brady
Dick Hatton
Henchman Dodger [Chs. 1-5]
Boris Karloff
The Voice (uncredited) (voice)
Tracy Layne
Horseman [Ch. 1] (uncredited)
Cliff Lyons
Deputy O'Brien [Ch. 1] (uncredited)
Bud McClure
Henchman (uncredited)
Walter Miller
Narrator of Opening Chapter Recaps (uncredited) (voice)
Bob Reeves
Charles Schaeffer
Horseman Shorty [Ch. 1] (uncredited)
Wes Warner
Henchman (Chs. 1-5) (uncredited)
Bill Wolfe
Townsman (uncredited)
