Jack Buetel

Billy the Kid

Jane Russell

Rio McDonald

Thomas Mitchell

Pat Garrett

Walter Huston

Doc Holliday

Mimi Aguglia

Guadalupe

Joe Sawyer

Charley Woodruff

Gene Rizzi

Stranger

Martín Garralaga

Mike the Waiter (uncredited)

Ben Johnson

Deputy (uncredited)

Dickie Jones

Boy (uncredited)

Ethan Laidlaw

Deputy (uncredited)

William Newell

Drunken Cowboy (uncredited)

Emory Parnell

Dolan (uncredited)

Edward Peil Sr.

Swanson (uncredited)

Wallace Reid Jr.

Townsman (uncredited)

Julian Rivero

Pablo (uncredited)

Lee Shumway

Card Dealer (uncredited)

William Steele

Deputy (uncredited)

Harry Strang

Townsman at Sheriff's Office (uncredited)

Pat West

Bartender (uncredited)