I was watching an old Western on the GoodLife Network and I decided to look up the actor John Dennis in the IMDb.com as he looked very familiar.
Here were three entries that jumped out at me:
"Taxi" playing "Maintenance Man" in episode: "The Reluctant Fighter" (episode # 2.5) 9 October 1979
"Incredible Hulk, The" playing "Mechanic" in episode: "The Hulk Breaks Las Vegas" (episode # 1.6) 21 April 1978
"Kolchak: The Night Stalker" playing "Second Maintenance Engineer" in episode: "The Devil's Platform" (episode # 1.7) 15 November 1974
Here's how I think it played out:
The Maintenance Man/Mechanic played by John Dennis decided that cold and windy Chicago was no longer the life he was meant for. So in 1975 he moved to Las Vegas. (He probably heard Carl Kolchak mention it.)
But a liking for the dice proved to be his undoing and so a year later, he decided to move again. This time he headed East, to NYC, to begin again.
What he probably noticed was that he'd still be close to Atlantic City should the fever ever come upon him again.......
(My only fear is that his mechanic in the 'Kolchak' episode might have been killed by the monster of the week! And dat would be da name of dat tune!)
John Dennis also helps give credence to the idea that certain characters are not only reincarnated, but that they come back to do exactly the same thing they did in the previous life:
"Man from Atlantis, The" playing "Bartender" in episode: "Giant" (episode # 1.8) 25 October 1977
"Barbary Coast" playing "Bartender" in episode: "Irish Luck" (episode # 1.6) 13 October 1975