She was Hollywood's "It" girl for a hot minute in the mid-'90s, thanks to turns in star-studded movies like "Legends of the Fall" (with Brad Pitt) and "Sabrina" (with Harrison Ford). But we like Julia Ormond best as Megan's acid-tongued French-Canadian mother Marie, who hasn't met a bottle of wine she couldn't finish and can't resist making fun of idiots in French. Never change, Marie.
The halls of Sterling Cooper & Partners have been filled with a lot of familiar faces lately. Here are more than 20 "Mad Men" guest stars we recognize from previous roles in TV and movies. — Dave Nemetz, Yahoo! TV