Corinne Griffith as Lady Emma Hart Hamilton

Victor Varconi as Horatio Nelson

H.B. Warner as Sir William Hamilton

Ian Keith as Honorable Charles Greville

Marie Dressler as Mrs. Hart

Montagu Love as Capt. Hardy

William Conklin as Romney

Dorothy Cumming as Queen Maria Carolina

Michael Vavitch as King Ferdinand

Evelyn Hall as Duchess of Devonshire

Helen Jerome Eddy as Lady Nelson

Ben Alexander as Young lieutenant

Joan Bennett as Extra (uncredited)

Andy Devine as Extra (uncredited)

Joel McCrea as Extra (uncredited)