Allyson Ames (Arndis Pollard) was married to Leslie Stevens, the writer and director of this episode and the creator of the series, from 1965 to 1966.
This episode features a number of actors who would later appear in Star Trek, including Rudy Solari, Joseph Ruskin, Leonard Nimoy, Barry Russo, Willard Sage and Vic Perrin.
Leonard Nimoy (Konig) later played Thurman Cutler in I, Robot (1995). Along with David McCallum, Cliff Robertson, Peter Breck and Barbara Rush, he is one of only five actors to appear in both The Outer Limits (1963) and The Outer Limits (1995).