Joan's new Mad Men love interest had to keep his secret from everybody for a year

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http://www.vancouversun.com/entertai...269/story.html

It was especially tough for Canadian actor Bruce Greenwood when he worked with Elisabeth Moss on a movie after filming Mad Men — and they had to concoct a story on how they already knew each other. Greenwood says Matthew Weiner implored secrecy at the first table read. "He says: 'You will be prosecuted to the end of the earth if you breathe a word about any element of this thing you've just heard!'" Greenwood recalls. PLUS: Greenwood says he almost burst into flames wearing that leisure suit.