Dame Maggie Smith herself, or so she says.

Smith tells CBS' "60 Minutes" that she's never watched the trans-Atlantic hit. She'd rather wait until it's all finished, otherwise she'll second-guess herself too much.

Not sure I buy it when actors say they don't watch their own work. Smith might be fibbing here. Not that I can tell. She's too good of an actress, after all.

Here's a clip of her upcoming "60 Minutes" interview. Judge for yourself: