 Some 20 years before filming this movie, actress  Jean Adair (I) (qv) had helped to nurse a very sick vaudeville  performer named Archie Leach back to health; by the time she was  asked to reprise her Broadway "Arsenic and Old Lace" role as Aunt  Martha for this film, Adair and Leach, now known as  Cary Grant (qv), were old friends.