Lee Grinner Pace (born March 25, 1979) is an American actor. Pace has been featured in film, stage and television. He currently stars as protagonist Joe MacMillan in AMC's Halt and Catch Fire. He also played Roy Walker/the Masked Bandit in the 2006 film The Fall. He has appeared in film series, including The Twilight Saga: Breaking Dawn – Part 2 as Garrett and The Hobbit trilogy as Thranduil.