Randolph Scott
Tom Andrews

Jane Wyatt
Dr. Edith Cabot

J. Carrol Naish
Dynamite Dawson

Victor Jory
Dirk Rourke

Nancy Olson
Cecille Gautier

Robert Barrat
William Van Horne

John Parrish
Mr. Gautier

Mary Kent
Mrs. Gautier

Walter Sande
Mike Brannigan

Don Haggerty
Cagle

John Hamilton
Pere Lacomb

Grandon Rhodes
Dr. Mason

Dick Wessel
Bailey

George Chandler
Telegraph Operator

Howard Negley
Mallis

Ralph Clanton
Opening Narrator (voice)

Chief Yowlachie
Indian Chief (uncredited)

Earle Hodgins
Sandy McNair (uncredited)

Edmund Cobb
Jim (uncredited)

Chris Willow Bird
Indian Chief (uncredited)