James Tate Ellington (born 1979) is an American actor. He portrayed Aidan Hall, the best friend of Tyler Hawkins (Robert Pattinson) in the 2010 romantic drama film Remember Me. Ellington starred as Oliver Hunt in The Elephant King (2006), and has appeared in television shows such as The Unusuals, Rescue Me, The Good Wife, and Don't Trust the B---- in Apartment 23. He appeared in the 2009 Broadway production of The Philanthropist, which starred Matthew Broderick. He is best known for his role as FBI agent Simon Asher on the ABC thriller Quantico.