'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.

1 - 15 of 15

13 of 15 photos

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.)
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.)