Néstor Gastón Carbonell ( [ ˈnestor ɣasˈtoŋ karβoˈneʎ ] ; born December 1 , 1967 ) is an American actor . He is perhaps most famous for his roles as Richard Alpert in ABC 's drama series Lost , and Mayor Anthony Garcia in the Christopher Nolan films The Dark Knight and The Dark Knight Rises . He is also known for his regular roles as Luis Rivera on the sitcom Suddenly Susan , and Batmanuel on the live-action sitcom The Tick . Carbonell also portrayed Sheriff Alex Romero on A&E 's drama-thriller series Bates Motel .
Nestor Carbonell is unknown to the world.