Dominic Bernard Patrick Luke Monaghan (born 8 December 1976) is a British-Irish actor. He is best known for playing Meriadoc "Merry" Brandybuck in Peter Jackson's film trilogy The Lord of the Rings (2001–2003), and Charlie Pace on the ABC television drama Lost (2004–2010). Monaghan first gained fame as Hetty Wainthropp's sidekick Geoffrey in Hetty Wainthropp Investigates (1996–1998). His first film role was as Sasha in the television film Hostile Waters (1997) based on the true story of a Soviet and a US submarine colliding in the Cold War.
https://en.wikipedia.org/wiki/Dominic_Monaghan