Besides featuring Tom Selleck, Larry Manetti who would co-star in Magnum, P.I. (1980) guest stars in this episode, as well.
Lance White's reel to reel tape machine is a Teac A 6100 which was produced from 1974 until 1977.
Vern St. Cloud acquires a nickname: "the Hawk".
Last episode to feature Fritzi Burr. Ms. Burr had been featured in one episode each season, since her first appearance in the Rockford Files' first year, when she appeared as the sardonic county clerk in "Just By Accident".
Simon Oakland, Larry Manetti and James Whitmore Jr. would all be in Stephen J. Cannell's series, Black Sheep Squadron (1976).