Matthew Mackendree "Matt" Lanter (born April 1, 1983) is an American actor and model best known for his roles as Horace Calloway in the short-lived ABC political drama Commander in Chief and the voice role of Anakin Skywalker in the animated film Star Wars: The Clone Wars and its television counterpart. Matt also recently joined the cast of 90210 as Liam, a recurring character in season one, before becoming a series regular from season two onwards.