Murder at the Gallop (1963)

The old and wealthy Mr. Enderby (Finlay Currie) dies of a heart attack but the ever suspicious Miss Jane Marple (Dame Margaret Rutherford) has her doubts. Who or what gave him a heart attack? Enderby's poor relatives gather at the The Gallop, a combined boarding-house and riding school. Miss Jane Marple also gets there to find out if any of them had any particular reasons to see him dead.

George Pollock

Agatha Christie James P. Cavanagh

Charles 'Bud' Tingwell Duncan Lamont Finlay Currie Flora Robson Frank Atkinson Gordon Harris Jack Dearlove James Villiers Katya Douglas Kevin Stoney Margaret Rutherford Noel Howlett Robert Morley Robert Urquhart Roger Avon Stringer Davis Tony Castleton Wallace Bosco