He secretly practiced magic spells.During a visit when Uncle Vernon's offensive sister Marge (Pam Ferris) insulted Harry's deceased parents and his own upbringing ("If there's something wrong with the bitch, then there's something wrong with the pup"), he retaliated by inflating her into a floating balloon that sailed away.Fred MacMurray was again cast against type as an unlikeable Lieutenant (similar to his earlier role in Wilder'sDouble Indemnity (1944)and later inThe Apartment (1960)).This film of intrigue, murder, tough dialogue and corrupt deception marked he earliestscreendepiction of PI detective Philip Marlowe.When a flustered Walter learns that she plans to get married almost immediately ("Tomorrow? As soon as that?"), he rubs his hands together, fingers the phone, picks up a carnation from a vase, slips it into his buttonhole, and then rubs his lapel.