Hitchcock introduced a ""fascinating new personality"" for the film - his successor to Grace Kelly - a cool, blonde professional model named ""Tippi"" Hedren, in her film debut in a leading role.When she was revived, she asked: "Where is he?" She insisted the man in the lake wasn""t her father -- although Dr.Archie orders: "Will you get your cotton-pickin"" ail down here." She sashays down the porch steps in the outfit, and then waits on the passenger side of the car (she calls it a "skatterbolt") for him to open it "like a gentleman.Everyone but Barnes was killed by the time McClane arrived through a ventilation shaft - he dispatched with Stuart""s men, including O""Reilly (Robert Patrick) who was about to shoot Barnes.