Steve Zahn

Freak

Josh Hamilton

David Keenan

David Kinney

Big Steve

Wayne Federman

Tully

Heather McComb

Nichole

Arabella Field

Cari

Tim Green

Keenan's Newscaster Brother

Jack Mungovan

Keenan's Other Brother (as Jack Carey)

Carey Eidel

Mechanic

Sean Manton

Big Steve's Annoying Customer

Sybil Darrow

Moira (as Sybil Temchen)

Debra Lebberts

Drunk Girl (as Debra Lubberts)

Beth Beer

Sheri

Eric Zappa

Band: The Tortillas You Wanted, Guitar (as The Tortillas You Wanted)

Mike Faloon

Band: The Tortillas You Wanted, Drums (as The Tortillas You Wanted)

Luther Wilson

Band: The Tortillas You Wanted, Bass (as The Tortillas You Wanted)

Max Casella

Freak's High School Friend

Peter Daddabo

Keenan's High School Friend #1

Martha Thomas

Keenan's High School Friend #2

Sarah Lamb

New Maxwell's Employee

Delilah Andre

Colleen (as a different name)

Becky Main

Jennifer #1

Anita Raeppel

Jennifer #2

Michael Short

Tom

Lee Garlington

Nichole's Mom

Michael Twaine

Nichole's Dad

Kim Cristo

Jackie Newman

Ed Richter

Looker's Emcee

Donna Demour

Looker's Waitress

Thames Nolan

Al Davis

Ted Raimi

Jackie's Husband

L.B. Fisher

Annoying Maxwell's Employee

Jessie Winn

Extra (uncredited)