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)