With the exception of Roald Dahl who introduced 29 episodes, Andrew Ray made more appearances than any other actor. This is the first of six appearances, the others being, S2 E5, Poison (1980), S4 E16, The Way to Do It (1981), S6 E9, The Wrong 'Un (1983), S7 E2, The Best Chess Player in the World (1984) and S7 E12, Accidental Death (1984).