Mark Hamill
The ‘Star Wars’ legend has leant his voice and sometimes his likeness to over 30 games, and first acted in a playable adventure back in 1993 when he played police detective Frank Mosely in 'Gabriel Knight: Sins of the Fathers'.
Hamill's other notable video game characters include Christopher Blair in the 'Wing Commander' space combat simulator titles and playing The Joker in the ’Batman Arkham’ saga.
In addition, Hamill has voiced Luke Skywalker in several 'Star Wars' games.