Earlier this week actress Emily Rose, the voice for heroine Elena Fisher in the series, told followers on Twitter that she was doing voice work for the game.
"Landed in LALA land yesterday and already the schedule is a buzz.... filming my first Night show today 4 #HAVEN then work on #UNCHARTED," she said.
Sparking rumours of an Uncharted sequel, Sony told Kotaku that she is working on downloadable content.
Uncharted 2: Among Thieves was released last year for PlayStation 3.
> Click here to read our review of Uncharted 2