Alessandro Juliani (born April 21, 1978) is a Canadian actor, singer, and voice actor. He is the English voice of Koji in Oban Star-Racers. He is notable for playing the roles of Tactical Officer Lieutenant Felix Gaeta on the Sci Fi Channel television program Battlestar Galactica, and Emil Hamilton in Smallville. He is also known for voicing the character L in the English version of the anime series Death Note and its live action films.