Rodrigo Santoro is an actor.
Lost is an American television drama series that originally aired on the American Broadcasting Company ( ABC ) from September 22 , 2004 , to May 23 , 2010 , over six seasons , comprising a total of 121 episodes . Nikki and Paulo . American actress Kiele Sanchez and Brazilian actor Rodrigo Santoro play the survivors of the crash of Oceanic Flight 815 . Rodrigo Santoro . He was a series regular on the television series Lost portraying the character Paulo , and plays Hector Escaton in HBO 's Westworld ( 2016 ) . Westworld is an American science fiction western thriller television series created by Jonathan Nolan and Lisa Joy for HBO .