Murder Ahoy! is a 1964 British film directed by George Pollock, based on elements from Agatha Christie's 1952 novel They Do It With Mirrors on a mostly original screenplay adaptation by David Pursall and Jack Seddon. This was the fourth, and final, film in a series featuring Margaret Rutherford playing Miss Jane Marple for MGM between 1961-1964. Along with the previous three films Murder, She Said (1961), Murder at the Gallop (1963), Murder Most Foul (1964), Rutherford's supporting cast included Charles 'Bud' Tingwell as (Chief) Inspector Craddock and Stringer Davis as Mr. Stringer. It was produced by Metro-Goldwyn-Mayer and the film score was by Ron Goodwin. Location shots included Denham Village and St Mawes, Cornwall.