I Love You, Man's cast and crew

Director

John Hamburg

Cast

J.K. Simmons Oswald Klaven

Jon Favreau Barry

Jason Segel Sydney Fife

Paul Rudd Peter Klaven

Rashida Jones Zooey

Sarah Burns Hailey

Jaime Pressly Denise

Jane Curtin Joyce Klaven

Andy Samberg Robbie Klaven

Aziz Ansari Eugene

Melissa Rauch Yoga Woman Class

Nick Kroll Larry