The actor debuted his new dark hair, facial hair and skinny frame in March. Stevens left his golden locks and "Downton Abbey" behind after the Season 3 Christmas special.
“We were always optioned for three years,” Stevens said about his "Downton" exit. “And when that came up it was a very difficult decision. But it felt like a good time to take stock, to take a moment. From a personal point of view, I wanted a chance to do other things."
See a side-by-side comparison below.