Billy "The Kid" Bonney is a hot-headed gunslinger who postpones his life of crime when he is befriended and hired by peaceful cattle rancher Eric Keating. When Keating is killed by a rival, Billy seeks revenge, even if it means opposing his old friend, Marshal Jim Sherwood.

Robert Taylor
as Billy Bonney

Brian Donlevy
as Jim Sherwood

Ian Hunter
as Eric Keating

Mary Howard
as Edith Keating

Gene Lockhart
as Dan Hickey

Lon Chaney Jr.
as 'Spike' Hudson

Henry O'Neill
as Tim Ward

Guinn 'Big Boy' Williams
as Ed Bronson (blacksmith)

Cy Kendall
as Cass McAndrews, Sheriff

Ted Adams
as 'Buz' Cobb