Peter Ustinov portrays Hercule Poirot, a brilliant Belgian detective known for his meticulous investigative skills.
Lauren Bacall plays Lady Westholme, a sophisticated and wealthy character who gets entangled in a web of deceit and murder.
Carrie Fisher takes on the role of Nadine Boynton, a complex and intriguing character caught up in a family mystery.
John Gielgud embodies Colonel Carbury, a seasoned military man with a keen eye for detail and a deep sense of duty.
Piper Laurie portrays Emily Boynton, a strong-willed and enigmatic figure central to the film's plot.
Hayley Mills brings Miss Quinton to life, a character whose presence adds layers of intrigue to the unfolding mystery.
Jenny Seagrove plays Dr. Sarah King, a skilled physician entangled in the dark secrets surrounding the Boynton family.
David Soul portrays Jefferson Cope, a mysterious and suave character who becomes embroiled in the sinister events of the story.
Nicholas Guest takes on the role of Lennox Boynton, a troubled individual grappling with the complexities of his family's history.
Valerie Richards plays Carol Boynton, a character whose presence adds emotional depth to the familial dynamics at play.
John Terlesky portrays Raymond Boynton, a key figure in the intricate web of relationships and motives within the storyline.
Amber Bezer embodies Ginevra Boynton, a character whose actions and motives hold pivotal importance in the unfolding mystery.
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