Forgetting Sarah Marshall is a movie starring Kristen Bell, Jason Segel, and Paul Rudd. Devastated Peter takes a Hawaiian vacation in order to deal with the recent break-up with his TV star girlfriend, Sarah. Little does he know,... Actors who played in the movie Jason Segel, Kristen Bell, Mila Kunis, Russell Brand, Bill Hader.You are watching the movie Forgetting Sarah Marshall produced in USA belongs.