In the credits, Wesley Lau's character is listed as Ralph Snyder, but in the episode he is named Roy.
Wesley Lau and Audrey Dalton were in Perry Mason The Case of the Injured Innocent aired Nov 18, 1961.
Lee Majors and Wesley Lau worked together in The Six Million Dollar Man: Lost Love, January 17, 1975.
Given the time lines of Bond movies and this TV Series, Aliza Gur has the distinction of being the only "Bond Girl" to appear in the The Big Valley (1965)'s entire run.
Audrey Dalton played Barbara Stanwyck's daughter in the 1953 movie, Titanic.