More on Richard Boone from Infoplease:

• The Tall T - Starring Randolph Scott, Richard Boone, Maureen O'Sullivan, Arthur Hunnicutt, Skip Homeier
• The Kremlin Letter - Starring Bibi Andersson, Richard Boone, Nigel Green, Dean Jagger, Lila Kedrova
• Man Without a Star (1955) - Starring Kirk Douglas, Jeanne Crain, Claire Trevor, William Campbell, Richard Boone
• Clifford Odets - Biography of Clifford Odets, The author of the play Waiting for Lefty
• The Shootist - Starring John Wayne, Lauren Bacall, Ron Howard, James Stewart, Richard Boone