크레딧 출연 Alban Blakelock Mr. Myers Stafford Byrne Walker Derek Elphinstone Sir Wilfrid Robarts Mary Kerridge Romaine Heilger Dale Rogers Leonard Vole John Salew Robert Mayherne Hilda Terriss Miss French 스텝 John Glyn-Jones Directing 애거사 크리스티 Writing Sidney Budd Writing