Isfimovies - Young at Heart (1954)The lives and romances of three sisters in a musical family; the youngest daughter’s life is complicated by the subsequent arrival of a charming composer and a cynical music arranger.Gordon Douglas, Al AllebornDoris Day, Frank Sinatra, Gig Young, Ethel Barrymore, Dorothy Malone, Robert Keith, Elisabeth Fraser, Alan Hale Jr., Lonny Chapman, Frank Ferguson, Marjorie Bennett, John Maxwell, Joseph Forte