Stu Preissler

Steve Martin

Brad Harris

Jack Black

Kenny Bostick

Owen Wilson

Historical Montage Narrator (voice)

John Cleese

Raymond

Brian Dennehy

Jessica Bostick

Rosamund Pike

Annie Auklet

Anjelica Huston

Jim Gittelson

Kevin Pollak

Ellie

Rashida Jones

Barry Loomis

Joel McHale

Brenda

Dianne Wiest

Prasad

Zahf Paroo

Edith

JoBeth Williams

Vicki (uncredited)

Stacey Scowley

Bill Clemont

Anthony Anderson

Vicki's Fiancée (uncredited)

Michael Karl Richards

Gil Gordon

Corbin Bernsen

Dr. Neil Kramer

Barry Shabaka Henley

Tony

Paul Campbell

Fuchs

Tim Blake Nelson

Crane

Jim Parsons

Susie

Cindy Busby

Computer Birder

Greg Kean

Birder's Daughter

Eva Bourne

Dr. Paul Elkin

Bill Dow

Ted Simkin

Nate Torrence

Rick

Steven Weber

Old Lady

June Squibb

Lawyer

Craig Bockhorn

Frank Falucci

Joey Aresco

Frank Jr.

Ryan Caltagirone

New York Weatherman

Al Roker

Security Guard

Christopher Mann

Local Newsman (High Island)

Jan Bos

Local Newswoman (High Island)

Kate Gajdosik

British Tourist

William Samples

Birder (High Island)

Scott Patey

Troop Leader

Marci T. House

Waiter

Michael Bean

Scott

Chris Redman

Karen

Devon Weigel

Mike Shin

Andrew Wilson

Scott

Christopher Redman

Mary Swit

Gabrielle Rose

Colin Debs

Calum Worthy

CB Announcer

Doreen Ramus

Pete Shackelford

Terence Kelly

Anchorage Weatherman

Steve Darling

Anchorage Anchorman

Jon Frankel

Lanky Birder

David Lewis

Lanky Birder

David James Lewis

Motel Manager

Kath Dugray

Darren

Jesse Moss

Ferry Ticket Seller

Morgan Brayton

Nurse

Sheelah Megill

Nurse Katie

Veena Sood

Parking Attendant

DeeJay Jackson

Chinese Waiter

Calvin Lee

Chinese Waitress

Tshering Garie

CB Announcer

Doreem Ramus