Tom Baker

Steve Martin

Kate Baker

Bonnie Hunt

Jimmy Murtaugh

Eugene Levy

Charlie Baker

Tom Welling

Lorraine Baker

Hilary Duff

Nora Baker-McNulty

Piper Perabo

Sarah Baker

Alyson Stoner

Sarina Murtaugh

Carmen Electra

Jake Baker

Jacob Smith

Anne Murtaugh

Jaime King

Jessica Baker

Liliana Mumy

Eliot Murtaugh

Taylor Lautner

Mark Baker

Forrest Landis

Mike Baker

Blake Woodruff

Bud McNulty

Jonathan Bennett

Nigel Baker

Brent Kinsman

Kyle Baker

Shane Kinsman

Kim Baker

Morgan York

Henry Baker

Kevin G. Schmidt

Henry Baker

Kevin Schmidt

Kenneth Murtaugh

Alexander Conti

Becky Murtaugh

Melanie Tonello

Daniel Murtaugh

Robbie Amell

Lisa Murtaugh

Courtney Fitzpatrick

Robin Murtaugh

Madison Fitzpatrick

Calvin Murtaugh

Shawn Roberts

The Commodore

William Copeland

Mike Romanow

Peter Keleghan

Doctor

Sam Kalilieh

Tennis Pro

Damon Runyan

Theatre Usher

Graham Losee

Clam Bake Server

Seth Howard

Theatre Kid

Matthew Knight

Doobner Dad

Lee MacDougall

Doobner Mom

Jenny Parsons

Doobner Older Son

Dylan Rosenthal

Doobner Daughter

Haylee Wanstall

Doobner Younger Son

Ely Henry

Security Guard

Tre Smith

Clam Bake Chef

Adam Shankman

Hospital Intern

Shawn Levy

Announcer at Graduation

Enid Rose

Clam Bake Piano Player

Kristen Dulmage

Theatre Patron

Ben Falcone

Russell Crowe

Amanda Seyfried

Theatre Patron

Kelly Keaton

Theatre Patron

Phillip Brock

Doobner Mom

Jennifer Parsons

Theatre Patron

Juliette Goglia

Theatre Patron

Sara Van Horn

Theatre Patron

Nancy Daly

Theatre Patron

Kathryn Joosten

Theatre Patron (uncredited)

Resmine Atis

Lifeguard (uncredited)

Talia Russo

Waiter at the Party (uncredited)

Konstantin Shaburov