Cliff Potts is again billed as "Cliff Potter".
This marked the television acting debut of rock star Jordan Christopher, who gets a special "introducing" credit, although he had previously acted in two movies and a New York play.
Certain protestors against the Vietnam War had committed suicide in public in the years immediately prior to this show being aired. These tragic deaths may have provided the impetus for this episode.
Glenn Howard: You've reminded me of how far we've come in our ability to destroy - and how far behind we are in our humanity.
Bruce Roxton: When that bomb drops at five o'clock, we're going to be here. All of us.
Andy Hill: [finding Wallaby after a long search]: You secretary told me you'd be here.
Ed Wallaby: She's a liar!
Andy Hill: I don't think so.
Ed Wallaby: Well, let's say she's under-dependable.
Colonel Malcolm Parks: What made those people try a fool thing like this?
Glenn Howard: The same kind of desperation that leads you to test weapons like this.
Andy Hill: If Mr. Howard don't go first-class, he don't go.
"S. Bar-David" is a pseudonym sometimes used by the well-known television writer Shimon Wincelberg.