(1947) Upon waking from a nightmare in which he and an unknown woman murdered a man in a strange mirrored room, bank teller Vince Grayson finds that he has physical objects and bruises from his "dream." His cop brother-in-law dismisses his story until the family, on a picnic, takes shelter from a thunderstorm in a deserted mansion containing that mirrored room. Paul Kelly, DeForest Kelley, Ann Doran, Kay Scott, Director: Maxwell Shane. And, yes, DeForest Kelley did have a life before Star Trek.