Because of cost overruns, there were six consecutive episodes, including this one, that were videotaped and then transferred to 16mm film for TV broadcast and future syndicated rebroadcasts. It saved only about $30,000 for all six not enough to justify the loss of depth of visual perspective, which gave those shows an appearance like a live broadcast or like soap operas in that day. This was an experiment for a normally filmed TV show and was basically called a failure. They never did that kind of recording again of any more The Twilight Zone (1959) episodes.
Near the end, Corwin/Santa is sitting on the steps of the Mission talking to the character listed in the credits as simply "Old Man". However, he addresses him twice as "Burt". The character called "Old Man" was portrayed by very familiar character actor Burt Mustin
John Fiedler plays the department store manager, Mr. Dundee, who eventually fires Henry Corwin. He provided the voice of 'Piglet' for the Pooh series movies starting with 'Winnie the Pooh and the Blustery Day', until shortly before his death in 2005.