Continuity mistake: While speaking with Leo, Clara's left hand is clutching the top of her night gown, but in the next shot both her hands are there.
Continuity mistake: The right arm of the broken doll on the floor of Clara's apartment changes from up to down after Leo strangles Clara.
Continuity mistake: The hands of the medical examiner change position between shots as he eats his sandwich while discussing the murders with the detective.
Continuity mistake: In the interrogation room, Leo's right hand instantly moves from being at his side to his right cheek.
Continuity mistake: After Leo Kroll strangles Helen, her shoulders are resting on a square pillow that moves higher up behind her head in the next shot.
Continuity mistake: At the ring toss booth, there are five rings on the bench as one of the booth attendants is counting coins from the till. When the other booth attendant turns to give Leo the doll he won, the rings disappear, then reappear.
