Actor Kevin McCarthy
occasionally cited his performance in this episode - playing a character who was immortal - as seemingly having come true in his own life, as he remained in good health and continued to act while outliving most of his family and colleagues as he approached the age of 100. McCarthy died September 11, 2010 at the age of 96, having earned an acting credit as late as the year he died, more than 50 years after this episode was produced. See more
When Walter is reading the diary of the Civil War soldier at the beginning of the program, he reads an entry from "Tuesday, September 11, 1864." September 11, 1864 was a Sunday. See more
You're looking at Act One, Scene One, of a nightmare, one not restricted to witching hours of dark, rainswept nights. Professor Walter Jameson, popular beyond words, who talks of the past as if it were the present, who conjures up the dead as if they were alive.
[continued opening narration after character dialogue
In the view of this man, Professor Samuel Kittridge, Walter Jameson has access to knowledge that couldn't come out of a volume of history, but rather from a book ...