Jack Cassidy, who stars in this episode, died in a fire in his condominium on December 12th 1976. He had been dead for several months when this episode aired in 1977.
At the costume party near the beginning, the background music was the instrumental to "Ain't That Just The Way" sung by Barbi Benton's character Shannon Forbes in Park Avenue Pirates (1975).
At the costume party, Chris Coughlin wears the same dress she wore in 'Twas the Fight Before Christmas... (1976).
McCloud will team up with Inspector Craig again in The Return of Sam McCloud (1989), but in this Television reunion movie, the inspector is played by David McCallum instead of Adam Faith.