 It was a collaborative effort due to the difficulties shooting the film and the pressures related to Welles's imminent departure to South America to begin work on "It's All True".Alfred Hitchcock hired Cotten to play a charming serial killer in "Shadow of a Doubt" (1943).It was made for Universal Pictures, who for whom Cotten then appeared in "Hers to Hold" (1943), as Deanna Durbin's leading man.