Jonathan Rees (born 21 March 1968), known professionally as Greg Ellis, is an English actor who has worked in film, television, video games, and theatre. He is known for playing Chief Engineer Olson in Star Trek (2009), Theodore Groves in Disney's Pirates of the Caribbean (2003, 2007–2011), and Trevor Wilcox in Touch (2013), as well as voice roles such as Anders in Dragon Age: Origins – Awakening (2010), Cullen in multiple Dragon Age games, and Jet-Vac in the Skylanders video game series, as well as in the series Skylanders Academy. (Via Wikipedia)