Music for Millions Warm, Tender Romance! Deep, Lasting Faith! Six year old "Mike" joins her sister Barbara Ainsworth who plays in a classical orchestra during WWII Details Casts Videos Galleries Posters Title Music for Millions Release Date 1944-12-18 Runtime 01 Hours 57 Minutes Genres Comedy Drama Music Production Companies Loew's, Metro-Goldwyn-Mayer Production Countries United States of America Margaret O'Brien... Mike... Jimmy Durante... Andrews... José Iturbi... José Iturbi... June Allyson... Barbara Ainsworth... Marsha Hunt... Rosalind... Hugh Herbert... Uncle Ferdinand... Harry Davenport... Doctor... Music For Millions Trailer (Trailer) Original Size (1348x758) Original Size (1000x1500) Original Size (1400x2100) Original Size (1909x2900) Original Size (1000x1500)