Rent Evil Under the Sun (1982)

Peter Ustinov returns with an all-star cast in one of Agatha Christie's most sinister mysteries! When a shrewish stage star is found strangled at a posh island resort, detective Hercule Poirot (Peter Ustinov) is called in to investigate. But as the brilliant Belgian learns, it isn't a matter of who would want the diva dead, but who wouldn't? As he follows the twists and turns of clues and motives, Poirot soon discovers that even among the rich and famous, murder never takes a holiday.