I Love You, Man

Andy Samberg as Robbie Klaven Jaime Pressly as Denise Rob Huebel as Tevin Downey Lou Ferrigno as Lou Ferrigno Mather Zickel as Gil Josh Cooke as Alan (Bench Press Guy) Jay Chandrasekhar as Barry's Buddy Seth Morris as Barry's Buddy Paul Rudd as Peter Klaven Jill Bartlett as Woman Leaving Sydney's House Matt Walsh as Impatient Golfer David Wain as Wedding Photographer Kym Whitley as Female Co-Worker Aziz Ansari as Eugene Kulap Vilaysack as Zooey's Friend Ping Wu as Mr. Chu Neil Peart as Neil Peart - Rush Jason Segel as Sydney Fife Nick Kroll as Larry Geddy Lee as Geddy Lee - Rush Larry Wilmore as Justice Of The Peace Liz Cackowski as Zooey's Friend Carla Gallo as Zooey's Friend Vicki Davis as Zooey's Friend Joe Lo Truglio as Lonnie (Voice Crack Guy) Ian Roberts as Venice Broadwalk Jogger Craig Wedren as Wedding Band Rashida Jones as Zooey Rice J.K. Simmons as Oswald Klaven Jane Curtin as Joyce Klaven Jon Favreau as Barry Thomas Lennon as Doug Catherine Reitman as Zooey's Friend Keri Safran as JAR Waitress Sarah Burns as Hailey Jerry Minor as Berry's Buddy Greg Tuculescu as Open House Couple Nelson Franklin as Sidney's Buddy Alex Lifeson as Alex Lifeson - Rush Melissa Rauch as Woman Jogger Yelling at Sydney Sidow Sobrino as Rush Concert Fan (uncredited) Jean Villepique as Leanne Ethan S. Smith as Sidney's Buddy David Krumholtz as Sydney's Buddy (uncredited)

Tom Pollock Executive Producer Allison Jones Casting Trayce Gigi Field Assistant Costume Designer Ben Harris Casting Assistant Danielle Burgio Stunt Double John Hamburg Director, Screenplay, Producer Lawrence Sher Director of Photography Scott Robertson First Assistant Director Darren King Supervising Sound Editor Ivan Reitman Executive Producer Jeffrey Clifford Executive Producer Theodore Shapiro Original Music Composer Jonathan Arthur Stunts Peewee Piemonte Stunts Bill Johnson Executive Producer