It's films like these that showed the traditional Western genre had run its course.
The Train Robbers is a 1973 Western film starring John Wayne, Ann-Margret, Rod Taylor, and Ben Johnson. The movie was written and directed by Burt Kennedy. Mrs. Lowe (Ann-Margret) wants back the half million U.S. dollars in gold her late husband stole during an assault on a train. Lane (John Wayne), attracted by a $50,000 reward, decides to help, lining up some old friends to assist him. The comrades of the deceased husband of Mrs. Lowe will try to get the gold at any cost, however, followed closely by a Pinkerton agent.
Rod Taylor is billed above the title with John Wayne and Ann Margaret but has a relatively small role.
John Wayne ... Lane
Ann-Margret ... Mrs. Lowe
Rod Taylor ... Grady
Ben Johnson ... Jesse
Christopher George ... Calhoun
Bobby Vinton ... Ben Young
Jerry Gatlin ... Sam Turner
Ricardo Montalban ... The Pinkerton man