Esther Williams as Annette Kellerman

Victor Mature as James Sullivan

Walter Pidgeon as Frederick Kellerman

David Brian as Alfred Harper

Donna Corcoran as Annette - 10 years old

Jesse White as Doc Cronnol

Maria Tallchief as Pavlova

Howard Freeman as Aldrich

Charles Watts as Policeman

Wilton Graff as Garvey

Frank Ferguson as Prosecutor

James Bell as Judge

James Flavin as Conductor

Willis Bouchey as Director

Larri Thomas as Swimmer (uncredited)

Maudie Prickett as Grace (uncredited)

Harry Hines as Andy (uncredited)

Kathryn Reed Altman as Swimmer (uncredited)

Kay Wiley as

Dorinda Clifton as Swimmer (uncredited)

Patrick Whyte as Barge Man (uncredited)

George Boyce as Banker (uncredited)

Carol Brewster as Showgirl (uncredited)

Mary Parker as Woman at Rector's Restaurant (uncredited)