Frank Sinatra was tired out from filming an aggressive fight scene, but agreed to do another take when the director told him the filming had been spoiled by a flash of light from a Polaroid camera. Larry Manetti confessed to taking the picture, reportedly because it rolled out of his camera while he was denying it. Sinatra had a chat with Manetti before the scene was re-shot. In an interview with TV Guide, Manetti admitted how much he admired Sinatra.
Frank Sinatra's final "full character" acting project. He had a cameo, as himself, on Who's the Boss? (1984) the following year.
During the mimed scene over which "Tonight, Tonight, Tonight" by Genesis is heard, Frank Sinatra improvised, having his character beat up an extra playing a character who wouldn't give him information, then he poured a glass of water over his head. None of it was in the script, but the producers liked it and kept it in the show.
This was the highest-rated episode in over two years, prompting CBS to renew the show for a final season even though Tom Selleck, who filmed episodes between movies, had already committed to three movies. Frank Sinatra agreed to play Doheny in another episode if their schedules allowed it. Unfortunately, they never did.
Kevyn Major Howard (Kenneth Geiger) and Steven Keats (Clayton) and previously starred together in an episode of the A-Team Harder Than It Looks, three years earlier as members of the same gang.