Tom Hanks
Mr. White

Tom Everett Scott
Guy Patterson

Liv Tyler
Faye Dolan

Johnathon Schaech
Jimmy Mattingly

Steve Zahn
Lenny Haise

Ethan Embry
T.B. Player

Charlize Theron
Tina

Obba Babatundé
Lamarr

Giovanni Ribisi
Chad

Chris Ellis
Phil Horace

Alex Rocco
Sol Siler

Bill Cobbs
Del Paxton

Peter Scolari
Troy Chesterfield

Rita Wilson
Margueritte

Chris Isaak
Uncle Bob

Kevin Pollak
Boss Vic Koss

Robert Torti
Freddy Fredrickson

Holmes Osborne
Mr. Patterson

Claudia Stedelin
Mrs. Patterson

Dawn Maxey
Darlene Patterson

Sean Whalen
Heckler

Clint Howard
KJZZ Disk Jockey

Sarah Koskoff
Chrissy Thomkins

Kathleen Kinmont
Koss' Secretary

Warren Berlinger
Polaroid T.V. Host

Clive Rosengren
Wisconsin Cop

Brittney Powell
Shades Fan

Jonathan Demme
Major Motion Picture Director

Tracy Reiner
Anita

Barry Sobel
Goofball

Paul Feig
KMPC DJ

Gedde Watanabe
Play-Tone Photographer

Michael P. Byrne
Play-Tone Reporter

Mars Callahan
Ernie the Disc Master Engineer

Benjamin John Parrillo
Marine Sergeant

Robert Ridgely
Hollywood Showcase Announcer

Marc McClure
Hollywood Showcase Director

Bryan Cranston
Virgil "Gus" Grissom

Colin Hanks
Male Page

Elizabeth Hanks
Bored Girl in Dress Shop

Renée Lippin
Beautician

Robert Wisdom
Bobby Washington

Heather Hewitt
Sales Lady

Elina Madison
Go-Go Dancer (uncredited)