Who wrote the book that Peggy Robertson's 1948 movie is based on?
Peggy Robertson Margaret "Peggy" Robertson (née Singer; 13 September 1916 6 February 1998) was a British-born script supervisor and personal assistant to Alfred Hitchcock from the 1940s through the 1970s during which time she worked on the films "Under Capricorn" (1948) and "Stage Fright" (1950), "Vertigo" (1958), "Psycho" (1960), "The Birds" (1963), and all of the director's remaining films.
Peggy Cummins Peggy Cummins (born 18 December 1925) is a retired Welsh-born Irish actress, best known for her performance in Joseph H. Lewis's "Gun Crazy" (1949), playing a trigger-happy "femme fatale", who robs banks with her lover (played by John Dall).