Acting Sean McGrath Biography Sean McGrath is an American actor and voice artist. Directed Farts of Darkness: The Making of 'Terror Firmer' 2001 Acting Deep Dark Hermann Haig 2015 More Porkchop Kamahl 2013 Cell Count Mason Dixon 2012 Everyman's War Pvt. Benedetto 2009 The Twilight Saga: New Moon Frat Boy 2009 Twilight Frat Boy 2008 Agent-readable