Willie Nelson as Doc Holliday

Waylon Jennings as Hatfield (Gambler)

Johnny Cash as Marshal Curly Wilcox

Kris Kristofferson as Ringo Kid

John Schneider as Buck

Elizabeth Ashley as Dallas

Anthony Newley as Trevor Peacock

Anthony Franciosa as Henry Gatewood

Merritt Butrick as Lt. Blanchard

Mary Crosby as Mrs. Lucy Mallory

June Carter Cash as Mrs. Pickett

Jessi Colter as Martha

Alex Kubik as Luke Plummer

David Allan Coe as Ike Plummer

Bob McLean as Chris

Lash LaRue as Lash

John Carter Cash as Billy Pickett

Michael Haynes as Capt. John Mallory

Anthony Russell as Stage Ticket Clerk

Joe Unger as Captain Sickels

Kal Roberts as Hank Plummer

Billy Swan as Tonto Bartender

Dave Adams as Lordsburg Bartender