Storyline:
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, Sarah's traveling to the same resort as her ex - and she's bringing along her new boyfri...

Cast:

Jason Segel Peter Bretter

Kristen Bell Sarah Marshall

Mila Kunis Rachel Jansen

Russell Brand Aldous Snow

Bill Hader Brian Bretter