Annette Bening

Diana Nyad

Jodie Foster

Bonnie Stoll

Rhys Ifans

John Bartlett

Ethan Jones Romero

Nico

Luke Cosgrove

Luke Tipple

Jeena Yi

Angel Yanigahara

Eric T. Miller

Coach Jack Nelson

Anne Marie Kempf

Candace

Carolyn McCormick

Elise

Marcos Diaz

Dude

Belle Darling

Diana, Age 5

Pearl Darling

Diana, Age 5

Johnny Solo

Aris

Anna Harriette Pittman

Diana, Age 14

Hanler Rodríguez

Miguel

Harraka Eliana

Lucy

Marcella Acuña Báez

Suzanne

Sophia Hernandez

Opposing Girl

Katherine Klosterman

Woman Swimmer

Toussaint Merionne

Taxi Driver

Tisola Logan

Anna

Orpha Salimata

Mia

Erica Cho

Naomi

Marina Vasarhelyi-Chin

St. Maarten Kid #1

James Vasarhelyi-Chin

St. Maarten Kid #2

Nadia Lorencz

Nadia

Marcus Young

Diver

Karly Rothenberg

Dee Brady

Grace Subervi

Medic

Stephen Schnetzer

Commentator

Elizabeth Chahin

Reporter

Garland Scott

Jon Rose

Iván Oleaga

Trainer

Jose Mota Prestol

Fisherman James

Melissa R. Stubbs

Female Cop

Mauricio Adrian

Paramedic (uncredited)

Samantha Gordon

Katie (Register Girl) (uncredited)

Lilo Grunwald

Nina (uncredited)