The Snooker player that Higgins was watching (Caldwell) was none other than 6 times World Champion Steve Davis.
When Shelly reveals that she is writing a book about road signs it's appropriate that she is wearing a broach of a jewel encrusted traffic light.
The only episode in which Agatha (Gillian Dobb) takes active part in the plot. In most of her guest appearances, she is just a background character.
Cassie Yates second appearance in the series. She first appeared as Betty Windom in Season 5, "Kiss Of The Sabre" (1984).
Denny Miller's final appearance in the series. He previously appeared as Ox in Season 2 "Three MinusTwo" (1982) and Leon Platt in Season 4 "A Sense of Debt" (1983).