Hour of the Gun (1967)

Hour of the Gun is a 1967 Western film depicting Wyatt Earp and Doc Holliday during their 1881 battles against Ike Clanton and his brothers in the Gunfight at the O.K. Corral, and the gunfight's aftermath in and around Tombstone, Arizona.

More at Wikipedia.

Cast:

• Charles Aidman
• Richard Bull
• Lonny Chapman
• Frank Converse
• Bill Fletcher
• James Garner
• Larry Gates
• Steve Ihnat
• Monte Markham
• Sam Melville
• Robert Phillips
• Jason Robards
• Robert Ryan
• Albert Salmi
• William Schallert
• Karl Swenson
• Michael Tolan
• Jon Voight
• Austin Willis
• William Windom