Continuity mistake: When Theo and Eleanor decide to explore the house, before the arrival of Luke and Dr Markway, they are in one of the dark corridors of the house. When Eleanor speaks the leaves of a plant shake, close to her right shoulder, but Eleanor is standing perfectly still, touching the right hand side of her chin with her right hand. Eleanor then hears a gasp, and we hear her thinking. In the next shot of Theo, Eleanor, now in the background, has moved a meter or two away from the plant, she is more to the centre of the archway. The next shot shows Eleanor standing next to the plant again.
The Haunting (1963)
1 mistake
Directed by: Robert Wise
Starring: Claire Bloom, Russ Tamblyn, Julie Harris, Richard Johnson
Eleanor Lance: I was leaning back to see the top of the tower and... I got dizzy.
Luke Sanderson: Dizzy like a fox, huh?
Trivia: Julie Harris was very aloof during filming and would often ignore her co-stars behind the scenes - especially Claire Bloom. Bloom felt very hurt by this. However, after filming, Harris showed up at Bloom's house with a gift and revealed that she actually really liked Bloom and her other co-stars. She behaved as she did during filming because she was trying to stay in-character between takes, and was worried that her performance as an outsider would suffer if she was friendly with her co-stars.