Jack Black

Brad Harris

Steve Martin

Stu Preissler

Anthony Anderson

Bill Clemont

Nate Torrence

Ted Simkin

Anjelica Huston

Annie Auklet

John Cleese

Historical Montage Narrator (voice)

Owen Wilson

Kenny Bostick

Brian Dennehy

Raymond Harris

Ben Stiller

Executive Producer

Jim Parsons

Crane

Rashida Jones

Ellie

Joel McHale

Barry Loomis

Dianne Wiest

Brenda Harris

Tim Blake Nelson

Fuchs

Barry Shabaka Henley

Dr. Neil Kramer

Corbin Bernsen

Gil Gordon

Kevin Pollak

Jim Gittelson

JoBeth Williams

Edith

Zahf Paroo

Prasad

Rosamund Pike

Jessica

Paul Campbell

Tony

David Frankel

Director

Jeremy Kramer

Executive Producer

Cindy Busby

Susie

Eva Bourne

Birder's Daughter

Steven Weber

Rick

Carol Fenelon

Executive Producer

Greg Kean

Computer Birder