Who are the main characters in the sound of music Broadway?

The main characters in "The Sound of Music" on Broadway include Maria Rainer, a spirited postulant nun, and Captain Georg von Trapp, a widowed naval officer. Other key characters are the von Trapp children—Liesl, Friedrich, Louisa, Kurt, Brigitta, Marta, and Gretl—and Mother Abbess, who guides Maria in her journey. The story revolves around Maria's influence on the von Trapp family and their eventual escape from the Nazis.