| Name | Show | Year | Role | Character | Theater |
|---|---|---|---|---|---|
| I.M. Hobson | Brigadoon | 1974 | Actor | Andrew MacLaren | Heinz Hall |
| I.M. Hobson | Gigi | 1974 | Actor | Manuel | Heinz Hall |
| I.M. Hobson | South Pacific | 1974 | Actor | Commander William Harbison | Heinz Hall |
| I.M. Hobson | The King and I | 1974 | Actor | Sir Edward Ramsey | Heinz Hall |
| I.M. Hobson | The Student Prince | 1974 | Actor | Lutz | Heinz Hall |
| I.M. Hobson | West Side Story | 1974 | Actor | Krupke | Heinz Hall |
| I.M. Hobson | Can-Can | 1975 | Actor | Monarchist | Heinz Hall |
| I.M. Hobson | Fiddler on the Roof | 1975 | Actor | Constable | Heinz Hall |
| I.M. Hobson | Where's Charlie? | 1975 | Actor | Brassett | Heinz Hall |
| I.M. Hobson | 1776 | 1976 | Actor | Col. Thomas McKean | Heinz Hall |