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
Richard Farmer
Alec McSween
Felice Richmond
Mexican Girl
Jack Geddes
Sheriff Brady