Angus Macfayden

Scottish actor Angus Macfadyen has joined the cast of Chuck in its final season, TVGuide.com has confirmed.

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The Braveheart star, whose TV credits include Alias, Californication and Lie to Me, will portray Nicholas Quinn, the series' final major villain. Quinn is a former CIA agent who's now running a mercenary spy organization, TVLine.com reports. 

The 48-year-old actor will appear in at least four episodes in the final season, which premieres Friday at 8/7c on NBC.