Lana Wood on David Janssen: I've always adored David. David was a wonderful, wonderful person. Really lovely, low-key man.
The first time David Jansen appears on screen with William Conrad who narrated Jansen's previous series, "The Fugitive".
David Janssen's character, Jim O'Hara, was a sheriff in Nebraska. Janssen was born in Nebraska.
Jim O'Hara's background as introduced in this pilot episode: Army Counterintelligence Corps. Michigan State University Police Science major.
Two of the actors in this pilot for the short-lived series, Joe E. Tata and Jack Ging, who respectively played Agents Bertino and Garrick, would die 16 days apart on August 24 and September 10, 2022. Ging would also play a different character in the later episode Operation: Smokescreen (1972), and Tata would also play different characters in the later episodes Operation: Hijack (1971) and Operation: White Fire (1972).