Which American actress played in a 2008 romantic comedy-drama film directed by Peter Sollett?  
Nick &amp; Norah's Infinite Playlist: Nick & Norah's Infinite Playlist is a 2008 romantic comedy-drama film directed by Peter Sollett and starring Michael Cera and Kat Dennings. Kat Dennings: Katherine Litwack (born June 13, 1986), known professionally as Kat Dennings, is an American actress.
Kat Dennings