| Christiana Anbri | Gretl von Trapp | |
| Laura Benanti | Maria Rainer a postulant at Nonnberg Abbey | |
| Nora Blackall | Louisa von Trapp | |
| Richard Chamberlain | Captain Georg von Trapp | |
| Jeanne Lehman | The Mother Abbess | (Jan 1999 - ?) |
| Kay McClelland | Elsa Schraeder | |
| Marshall Pailet | Kurt von Trapp | |
| Roxann Parker | Sister Margaretta Mistress of Postulants | |
| Dennis Parlato | Captain Georg von Trapp | |
| Lou Taylor Pucci | Friedrich von Trapp | |
| Patrick Quinn | Max Detweiler | |
| Sylvia Rhyne | Ensemble | |
| Michelle Ríos | Ensemble | |
| Ben Sheaffer | Rolf Gruber | |
| Brian Sutherland | Herr Zeller | |
| Meg Tolin | A Postulant | |
| Christopher Trousdale | Friedrich von Trapp | |
| Lenny Wolpe | Max Detweiler |