If you did, you may never forget Robert Walker's enduringly creepy turn as Bruno, the cooing psychopath who enmeshes Farley Granger's Guy in his you-murder-mine, I'll-murder-yours web.
Hitchcock dramatically reinforces the duality of human nature as he introduces tennis star Guy (Farley Granger) who hates his unfaithful wife, and mysterious Bruno (Robert Walker) who hates his father.