I Love You, Man (2009) - Cast

Paul Rudd as Peter Klaven
Jason Segel as Sydney Fife
Rashida Jones as Zooey
Jon Favreau as ?
Jaime Pressly as ?
J.K. Simmons as ?
Carla Gallo as Denise
Andy Samberg as ?
Aziz Ansari as Eugene
Lou Ferrigno as Himself
Thomas Lennon as Doug
Joe Lo Truglio as High-Voiced Guy
Liz Cackowski as Debbie
Ian Roberts as ?
Brandon Molale as Rugby Player
Mather Zickel as Gus
Nick Kroll as Larry
Catherine Reitman as Shira D
Rob Huebel as Tevin
Skoti Collins as Bride's Family Member