Four of the actors in this episode played werewolves: Chuck Connors (the 1987 TV show "Werewolf"), John Carradine (The Howling), Michael Landon (I Was A Teenage Werewolf) and Steven Ritch (The Werewolf, 1956).
Though filmed for the time period of the 1880's, Lucas McCain is wearing Wrangler jeans that weren't invented until 1947.