'Downton Abbey': What Does the Cast Really Look Like?
When not wearing lavish period frocks and waist coats, the cast of "Downton Abbey" look quite different from their early 20th-century characters. Click through this slideshow to compare the cast's real-life and "Downton Abbey" looks.
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Siobhan Finneran (Miss O'Brien)
Siobhan Finneran, who plays Thomas's partner in crime Miss O'Brien, also looks a lot warmer and approachable in real life. (It's probably the hair.)
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