Alexa PenaVega as Julie Corky

Mika Boorem as Hannah

Jane Lynch as Gabby Corky

Sam Huntington as Ren Corky

Sara Paxton as Stacie

Brie Larson as Liz Daniels

Scout Taylor-Compton as Farrah

Douglas Smith as Gregg

Steve Carell as Officer Sherman

Jeff Garlin as Jay Corky

Sean Faris as Steve Phillips

Katija Pevec as Molly

Kallie Flynn Childress as Yancy

Evan Peters as Russell

Hunter Parrish as Lance

Eileen April Boylan as Jenna Allen

Shane Hunter as Miles

Thad Luckinbill as Todd

Brett Wagner as Bouncer

Ryan Slattery as Peter

Johnny Sneed as Mr. Corrado

Alice Greczyn as Linda

Summer Glau as Ticket Girl

Colleen Wainwright as Scarf Woman

Timothy Dowling as Mr. Chilton

Max Van Ville as Skater Dude

Mageina Tovah as Girl on Phone

Alison Martin as Gabby's Friend

Brooklyn McLinn as Bartender

Ursula Whittaker as Attractive Woman

Scoot McNairy as DJ at Club

Cassie Townsend as Student (uncredited)

Kelsey Wedeen as Kissing Student (uncredited)

Krizia Vega as Girl with Silly String (uncredited)

Amy Caron as Skater Girl (uncredited)