Hugh O'Brian
Wyatt Earp
Acting
Bruce Boxleitner
Sam, Sheriff of Cochise County
Acting
Paul Brinegar
Jim 'Dog' Kelly
Acting
Harry Carey, Jr.
Digger Phelps
Acting
Bo Hopkins
Rattlesnake Reynolds
Acting
Alex Hyde-White
Woodworth Clum
Acting
Martin Kove
Ed Ross
Acting
Don Meredith
Clay the Bartender
Acting
Jay Underwood
Jack Montgomery
Acting
Douglas Fowley
Doc Holliday / Doc Fabrique (flashback sequences) (archive footage)
Acting
John Anderson
Virgil Earp (flashback sequence) (archive footage)
Acting
Steve Brodie
Sheriff John Behan (flashback sequence) (archive footage)
Acting
Lloyd Corrigan
Ned Buntline (flashback sequence) (archive footage)
Acting
Gordon Wynn
Colonel Warren (Flashback Sequence)
Acting