That's the Broadway Melody is a Musical Anime series that centers on a 17-year-old girl named Hiroe Ogawa who wants to become a Broadway Icon.
- Hiroe Ogawa - The titular girl of the film. She is a fan of all the Broadway Musicals and Plays, but most notably the Plays by J.M. Barrie, including Peter Pan. She is also a talented Playwright and Actress.
- Mayaka Ogawa - Hiroe's older sister.
- Yayoi Ogawa - Hiroe and Mayaka's mother.
- Lao Ogawa - Yayoi's husband and Hiroe and Mayaka's father.
- Takuya Ogawa - Hiroe's little brother.
- Takami Oide - Hiroe's energetic classmate from high school and a professional dancer.
- Sumio Meehan - Hiroe's boyfriend from high school. Hiroe and Sumio have been acting together for a long time and are very excellent performers. Sumio is a renowned Tap Dancer
- Yamato Meehan - Sumio's baby brother.
- Carmen Ghia
- Roger De Bris
- J.S. Proppler - A New York Journalist.
- Joe Mepper - A Wise-Cracking Actor.
- Mr. Borgnine -
- Al Hirschfeld - Caricaturist and Ocassional Writer.
- Brooks Atkinson
- Alexander Woolcott
- David Merrick
- Jerry Orbach
- Andrew Lloyd Webber