Sean McNamara Director, Screenwriter, Producer AnnaSophia Robb Bethany Hamilton Actor Helen Hunt Cheri Hamilton Actor Dennis Quaid Tom Hamilton Actor Carrie Underwood Sarah Hill Actor Kevin Sorbo Holt Blanchard Actor Ross Thomas Noah Hamilton Actor Chris Brochu Timmy Hamilton Actor Lorraine Nicholson Alana Blanchard Actor Jeremy Sumpter Byron Blanchard Actor Sonya Balmores Malina Birch Actor Craig T. Nelson Dr. Rovinsky Actor Cody Gomes Keoki Actor Branscombe Richmond Ben Aipa Actor Arlene Newman-Van Asperen Sydney Blanchard Actor Deborah Schwartz Screenwriter Douglas Schwartz Screenwriter, Producer Michael Berk Screenwriter David Zelon Producer Dutch Hofstetter Producer David Brookwell Producer David Tice Executive Producer Dominic Ianno Executive Producer John R. Leonetti Cinematographer Jeff Canavan Film Editing Marco Beltrami Original Music Rusty Smith Production Design Rosario Provenza Art Director Julie Smith Set Decoration Kathe James Costume Design Joey Paul Jensen Casting Niner Parikh Casting