Final screen credit for Laraine Day, who had also guest-starred in Death Stalks the Big Top: Part 1 (1986).
"Death Stalks the Big Top" is the second of four two-part storylines produced over the series' 12 seasons. The other three are: "The Death of Sherlock Holmes" (S1, E1&2, 1984); "Mirror, Mirror on the Wall" (S5, E21&22, 1989); and "Nan's Ghost" (S12, E6&7, 1995).