Malcolm-Jamar Warner is recovering from his cold, as his character Theo mentions at the episode's open.
The late Michelle Thomas, who had a recurring role on the show as Theo's girlfriend, Justine Phillips, was Malcolm-Jamal Warner's girlfriend in real life.
Phylicia Rashad guest-starred on A Different World later in the evening.
Clair is said to have graduated from Crestview High School in 1958. Cliff was a junior at Hillman at the time, which would mean he graduated from college in '59.
Sabrina LeBeauf and Geoffrey Owens do not appear in this episode.