The Conservatory follows four high school seniors (and one pushy mother) as they battle each other and two hundred other hopefuls for a few coveted spots at the ultra-competitive Delaware Musical Theatre Conservatory
| Actor | Role |
|---|---|
| CChristine BullenJenna Barker | Jenna Barker |
 Reed Van DykHenry Barker | Henry Barker |
| KKirsten KollenderSandy Lynn Brown | Sandy Lynn Brown |
| JJan RoggeNoreen Brown | Noreen Brown |
 Alex HerraldBrandon Schaubman | Brandon Schaubman |
 Charles StranskyDavid Balsam | David Balsam |
| LLaurence DrozdRobert Barker | Robert Barker |
| WWill MalnatiTim Sanders | Tim Sanders |
| AAllison BuckNatasha Bennington | Natasha Bennington |
| PPhil MillsJeffrey Stocker | Jeffrey Stocker |
| EEd SchiffJean Bunce | Jean Bunce |
 Carolyn GoelzerShirley Trobaloff | Shirley Trobaloff |