 Also, the poem was recited by Miss Marple in the 1964 film "Murder Most Foul", as her audition to join a theatrical troupe.The character of Dan McGrew was based on William Nelson McGrew (1883-1960), who was born and raised in Guinda, California to Isaac and Nellie Ophelia (Thomas) McGrew and whose nickname was "Dangerous Dan".William McGrew had gone to the Yukon seeking his fortune during the Yukon Gold Rush.