Elizabeth Ferrars (엘리자베스 페라즈) in "The Sleeping Dogs"
E. C. R. Lorac (E·C·R·로락) in "These Names Make Clues"
Norman Berrow (노만 배로우) in "The Claws of the Cougar"
Margaret Cole (마가렛 콜) in "Greek Tragedy"
Stuart Palmer (스튜어트 파머) in "The Riddles of Hildegarde Withers