Miss Marple (TV series) In addition to Miss Marple, there are two semi-regular characters in the series. The first is Inspector (later Superintendent) Slack, played by David Horovitch; the second is Constable (later Sergeant) Lake, played by Ian Brimble. Slack and Lake appear in five episodes: "The Body in the Library", "The Murder at the Vicarage", "4.50 From Paddington", "They Do It with Mirrors" and "The Mirror Crack'd from Side to Side". They are the official detectives and both (particularly Slack) originally dislike and are exasperated by Miss Marple, her interference and her methods, but they eventually come to respect (and indeed, in the
Agatha Christie's Marple sometimes when simply being at home), Miss Marple often stumbles upon or hears about mysterious murders, which she helps solve. Although the police are sometimes reluctant to accept Miss Marple's help, her reputation and unparalleled powers of observation eventually win them over. During her adventures, Miss Marple is aided by close friends, relatives, or other allies that she meets, which include Tommy and Tuppence - protagonists of another series of Christie novels. The only character to appear in every episode is Miss Marple herself, played by Geraldine McEwan until series 3 and by Julia McKenzie from series 4 onwards. A