AnnaSophia Robb

Bethany Hamilton

Helen Hunt

Cheri Hamilton

Dennis Quaid

Tom Hamilton

Carrie Underwood

Sarah Hill

Kevin Sorbo

Holt Blanchard

Ross Thomas

Noah Hamilton

Chris Brochu

Timmy Hamilton

Lorraine Nicholson

Alana Blanchard

Jeremy Sumpter

Byron

Sonya Balmores

Malina Birch

Craig T. Nelson

Dr. David Rovinsky

Cody Gomes

Keoki

Branscombe Richmond

Ben Aipa

Titus Kinimaka

Titus

John Philbin

Fuel TV Reporter #2

Tiffany Hofstetter

Rosemary

Kelly Crean

Front Yard News Reporter

Sean McNamara

Rip Curl Executive

Christie Brooke

National Surf Fan #1

Wesley Mann

Calvin

Patrick Richwood

Todd

Faith Fay

Media Gnat

David Chokachi

Paramedic #1

Mark Kubr

ESPN Reporter

Kim Morgan Greene

Female Reporter

Shelley Trotter

Nurse #2

Arlene Newman

Cydney Blanchard

Massi Furlan

(voice) (uncredited)

Josh Margulies

Halloween Party Surfer (uncredited)

Joe Toro

Paramedic #2 (uncredited)

Roy Vongtama

Voice Artist (uncredited)

Joseph Wilson

Kauai Local (uncredited)