Winter The Dolphin as Self

Nathan Gamble as Sawyer Nelson

Cozi Zuehlsdorff as Hazel Haskett

Harry Connick Jr. as Dr. Clay Haskett

Austin Stowell as Kyle Connellan

Morgan Freeman as Dr. McCarthy

Ashley Judd as Lorraine Nelson

Kris Kristofferson as Reed Haskett

Ray McKinnon as Mr. Doyle

Frances Sternhagen as Gloria Forrest

Nicholas Turner Martin as Bully #1

Carlos Jorge Guerrero as Bully #2

Austin Highsmith Garces as Phoebe

Betzaida Landín as Kat

Juliana Harkavy as Rebecca

Megan Lozicki as Brittany

Jim Fitzpatrick as Max Connellan

Kim Ostrenko as Alyce Connellan

Michael Roark as Donovan Peck

Rus Blackwell as Coach Vansky

Denise Durette as Board Member Christina

Richard Libertini as Fisherman

Ashley White as Sandra Sinclair

Tom Nowicki as Philip J. Hordern

Marc Macaulay as Board Member Fitch

Vivian Ruiz as Virginia

Stacy Ann Rose as Little Girl's Mother

Kurt Yaeger as Veteran Tim

Mike Pniewski as Prosthetic Consultant

Joshua Rush as Additional Voices

Jeffrey Borislow as Crowd Member (uncredited)