I Love You, Man

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

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