| Name | Show | Year | Role | Character | Theater |
|---|---|---|---|---|---|
| Greg Begley | The Music Man | 1973 | Actor | Ensemble | Heinz Hall |
| Greg Begley | Applause | 1973 | Actor | Heinz Hall | |
| Greg Begley | Kiss Me, Kate | 1973 | Actor | Heinz Hall | |
| Greg Begley | My Fair Lady | 1973 | Actor | Heinz Hall | |
| Greg Begley | Show Boat | 1973 | Actor | Heinz Hall | |
| Greg Begley | Brigadoon | 1974 | Actor | Heinz Hall | |
| Greg Begley | Gigi | 1974 | Actor | Heinz Hall | |
| Greg Begley | South Pacific | 1974 | Actor | Heinz Hall | |
| Greg Begley | The King and I | 1974 | Actor | Heinz Hall | |
| Greg Begley | The Student Prince | 1974 | Actor | Heinz Hall | |
| Greg Begley | West Side Story | 1974 | Actor | Heinz Hall | |
| Greg Begley | A Little Night Music | 1975 | Actor | Ensemble | Heinz Hall |
| Greg Begley | Can-Can | 1975 | Actor | Ensemble | Heinz Hall |
| Greg Begley | Fiddler on the Roof | 1975 | Actor | Ensemble | Heinz Hall |
| Greg Begley | Guys and Dolls | 1975 | Actor | Ensemble | Heinz Hall |
| Greg Begley | Where's Charlie? | 1975 | Actor | Ensemble | Heinz Hall |