Jesse Eisenberg
James Brennan

Kristen Stewart
Em Lewin

Martin Starr
Joel

Kristen Wiig
Paulette

Bill Hader
Bobby

Ryan Reynolds
Mike Connell

Margarita Levieva
Lisa P.

Jack Gilpin
Mr. Brennan

Josh Pais
Mr. Lewin

Wendie Malick
Mrs. Brennan

Mary Birdsong
Francy

Matt Bush
Tommy Frigo

Paige Howard
Sue O'Malley

Dan Bittner
Pete O'Malley

Barret Hackney
Munch

Michael Zegen
Eric

Kimisha Renee Davis
Kelly

Vanessa Hope
Ronnie Connell

Kelsey Ledgin
Arlene

Todd Cioppa
Velvet Touch Manager

Adam Kroloff
Adult Contestant

Kevin Breznahan
Molly Hatchet T-Shirt Guy

Marc Grapey
Panda Con Dad

Andrew Ransom
Foreigner Tribute Band Member

Russell Steinberg
Foreigner Tribute Band Member

Eric Schaeffer
Foreigner Tribute Band Member

Alexis Ferrante
Nicky's Girlfriend

Joe Pawlenko
Nicky's Pal

Declan Baldwin
Male Customer

Ian Harding
Wealthy Prepster

Amy Landis
Mrs. Ostrow