The Trouble with Harry
Trouble with Harry by Alfred Hitchcock (1955)
Despite the gorgeous scenery of autumn on the screen, the location in Vermont was interfered with severe rainfall and many exterior scenes were actually filmed on sets built in a local high school gymnasium. Tons of boxes of autumnal leaves were shipped back to California where they were painstakingly pinned onto trees on a studio soundstage due to the indifferent weather conditions in Vermont. (more Trivia.)
This was a film debut of Shirley MacLaine. She looks stunning in the purple/blue dress.