The Gunslinger on Sub-Level B82
In "The Original," Ford mentions that "a simple handshake" would give hosts away; in the Westworld film, androids could be identified by their hands.
Body Repair Shop
In both the 1973 film and the TV show, Hosts are repaired in hospital-like settings. Employees are dressed in scrubs and perform surgery on the hosts.
William and Logan
William and Logan have some similarities to Peter Martin and John Blane respectively. (Young) William, like Peter, is a first time visitor to the park, while Logan, like John, serves as a guide to William. Peter was also recently married to a woman named Julie, while William was married to a woman named Juliet.