크레딧 출연 올리비아 윌리엄스 Agatha Christie Anna Massey Old Agatha Christie Raymond Coulthard Archie Christie Stephen Boxer Psychatrist Anthony O'Donnell Hercule Poirot Anthony O'Donnell Kenward 마크 게이티스 Kenyon Richard Leaf Gunman 보니 라이트 Young Agatha Christie Celia Montague Agatha Christie's Mother James Tucker Reggie 빅키 펩퍼딘 Carlo Fisher Bertie Carvel Max Mallowan Edmund Kingsley Soldier Gregory Finnegan Band Member Toby Stephens Doctor Edward Armstrong 애거사 크리스티 Self (archive footage) 스텝 Richard Curson Smith Directing Richard Curson Smith Writing Colette Flight Production Jacquie Hughes Production Leanne Klein Production Andrew Phillips Sound Jeff Baynes Camera Amanda Baxter Editing Sarita Allison Costume & Make-Up James Price Art