About 10 years after this episode aired, Rock Hudson co-starred again with Linda Evans, but with Hudson as a guest star on Evans' hit series - in one of the last roles he ever played, Hudson appeared as millionaire horse breeder Daniel Reese, a potential love interest for Evans' character Crystal Carrington, in a multi-episode story arc on what was then the #1 series on television, Dynasty.
During this episode the train makes a stop in Stockton CA. Linda Evans, a guest star in this episode, starred in The Big Valley which was set near Stockton CA.
This was the second time Murray Matheson and James McEachin had worked together on a Mystery Movie; the first time was on McCloud (1970) four years earlier. In addition Matheson had finished his two year stint on Banacek (1972) and McEachin's Tenafly (1973) series had been canceled.