Gordon Weedon Scott

Michael Whalen

Sylvia Burgess

Jean Muir

Slats Magee

Slim Summerville

Doc McFane

Charles Winninger

Maud Mahoney

Jane Darwell

Beauty Smith

John Carradine

Hal Burgess

Thomas Beck

White Fang

Lightning

White Fang

Lightning the German Shepherd

Kobi

Joseph Herrick

Thief (uncredited)

Ward Bond

Nomi

Marie Chorie

François

George Du Count

Slats

George "Slim" Summerville

Nomi

Marie Chorre

Sgt. Drake

Stanley Andrews

Bartender

Joe Brown

Minor Role

Russ Clark

Indian

Steve Clemente

Man with Magic Lantern

Heinie Conklin

Stubby

Buck Connors

Posse Member

Jack Curtis

Posse Member

Nick De Ruiz

Posse Member

Kendall Evans

Posse Member

Desmond Gallagher

Mac

Herbert Heywood

Posse Member

Walter James

Suds

Francis McDonald

Minor Role

Bruce Mitchell

Minor Role

Edward Peil Sr.

Posse Member

Robert St. Angelo

Posse Member

Jack Stoney

Indian

Ed Thorpe

Minister

William Wagner