Steve Carell as Andy Stitzer

Catherine Keener as Trish Piedmont

Paul Rudd as David

Romany Malco as Jay

Seth Rogen as Cal

Elizabeth Banks as Beth

Leslie Mann as Nicky

Jane Lynch as Paula

Gerry Bednob as Mooj

Shelley Malil as Haziz

Kat Dennings as Marla

Jordan Masterson as Mark

Chelsea Smith as Julia

Jonah Hill as eBay Customer

Erica Vittina Phillips as Jill

Marika Domińczyk as Bernadette

Mindy Kaling as Amy

Mo Collins as Gina

Gillian Vigman as Woman at Speed Dating

Kimberly Page as Woman at Speed Dating

Siena Goines as Woman at Speed Dating

Charlie Hartsock as Speed Dating MC

Nancy Carell as Health Clinic Counselor

Cedric Yarbrough as Dad at Health Clinic

David Koechner as Dad at Health Clinic

Jeff Kahn as Dad at Health Clinic

Nick Lashaway as Boy at Health Clinic

Loren Berman as Boy at Health Clinic

Julian Foster as Boy at Health Clinic

Loudon Wainwright III as Priest

Lee Weaver as Joe

Gloria Helena Jones as Sara

Jazzmun as Prostitute

Miki Mia as Waxing Lady

Denise Meyerson as Robin

Shannon Bradley as Bar Girl

Brianna Brown as Bar Girl

Liz Carey as Bar Girl

Elizabeth DeCicco as Bar Girl

Hilary Shepard as Bar Girl

Barret Swatek as Bar Girl

Carla Gallo as Toe-Sucking Girl

Michael Bierman as 16 Year-Old Andy

Marisa Guterman as Girl with Braces

Stormy Daniels as Porn Star

Kevin Hart as Smart Tech Customer

Wayne Federman as Smart Tech Customer

Ron Marasco as Smart Tech Customer

Joseph T. Mastrolia as Smart Tech Customer

Kate Luyben as Woman Buying Videotapes

Joe Nuñez as Man Buffing Floor

Matthew McKane as Motorist

Rose Abdoo as Mother at Restaurant

Steve Bannos as Father at Restaurant

Brooke Hamlin as Daughter at Restaurant

Miyoko Shimosawa as Waitress at Restaurant

Marilyn Dodds Frank as Woman Who Bought Television

Ann Christine as Kim (uncredited)

Brandon Killham as Young Andy (uncredited)

Nicole Randall Johnson as Speed Dater (uncredited)

Suzy Nakamura as Speed Dater (uncredited)

Jenna Fischer as Woman #1 (uncredited)

Stephanie Lemelin as Woman #2 (uncredited)

Jamie Elle Mann as Newswoman (uncredited)

Leah McCormick as Girl in Electronic Store (uncredited)

Samantha J. Reese as Bar Patron (uncredited)

Brittney Skye as Porn Actress (uncredited)

Wyatt Smith as Boy at Wedding (uncredited)

Kira Turnage as Customer (uncredited)

Penny Vital as Redhead (uncredited)

Christa Nicole Wells as Shopping Girl (uncredited)