Don 'Red' Barry

William H. Bonney / Billy the Kid (as Don Barry)

Robert Lowery

Sheriff Pat Garrett

Wally Vernon

Vicente

Tom Neal

Charley Bowdry

Wendie Lee

Francesca

Judith Allen

Mrs. Alec McSween

Claude Stroud

General Lew Wallace, New Mexico Governor

John Merton

Bob Ollinger - Deputy (as John Morton)

Henry Marco

Juan - Francesca's Brother

Bill Kennedy

Deputy John Poe

Archie Twitchell

Saloon Tough Slapped by Billy

Jack Perrin

Deputy Mack