| Thomas, Neal | Neal Thomas | Actor | 1981 - 1982 | 2 | |
| Tullett, Helen | Helen Tullett | Actor | 1981 - 1982 | 2 | |
| Taymaz, Erdogan | Erdogan Taymaz | Actor | 1981 | 1 | |
| Thatcher, Maggie | Maggie Thatcher | Actor | 1981 | 1 | |
| Timonen, Seppo | Seppo Timonen | Actor | 1981 | 1 | |
| Twardowski, Jan | Jan Twardowski | Actor | 1981 | 1 | 1 |
| Todynek, Teresa | Teresa Todynek | Actor | 1981 | 1 | |
| Tomerius, Lorenz | Lorenz Tomerius | Dramaturg | 1981 | 1 | 1 |
| Thon, Wolfgang | Wolfgang Thon | Actor | 1981 | 1 | |
| Thayer, Eric, Rissler | Eric Rissler Thayer | Sound Designer | 1981 | 1 | |
| Trainer, Karen | Karen Trainer | Actor | 1981 | 1 | |
| Tellering, Michael | Michael Tellering | Actor | 1981 | 1 | |
| Thomas, Sabine | Sabine Thomas | Actor | 1981 | 2 | |
| Tiensuu, Raili | Raili Tiensuu | Actor | 1981 | 1 | |
| Tukiainen, Mirja | Mirja Tukiainen | Actor | 1981 | 1 | |
| Tyrväinen, Jukka | Jukka Tyrväinen | Actor | 1981 | 1 | |
| Thompson, Lynn | Lynn Thompson | Actor | 1981 | 1 | |
| Taplin, Evan | Evan Taplin | Actor | 1981 | 1 | |
| Tilley, Martin | Martin Tilley | Costume Designer | 1981 | 1 | |
| Torres, Blanca | Blanca Torres | Actor | 1981 | 1 | |
| Tzelepis, Stamatis | Stamatis Tzelepis | Actor | 1981 | 10 | |
| Tunççekiç, Gülsen | Gülsen Tunççekiç (Gulsen Tunccekic) | Actor | 1981 | 1 | |
| Tobías, Rubén | Rubén Tobías | Actor | 1981 | 1 | |
| Trull, Merce | Merce Trull | Actor | 1981 | 1 | |
| Tena, Cándida | Cándida Tena | Actor | 1981 | 1 | |
| Tunaal, Hege | Hege Tunaal | Actor | 1980 - 2020 | 17 | 1 |
| Tamaris, Elisabeth | Elisabeth Tamaris | Actor | 1980 - 1994 | 4 | |
| Tsagkaris, Giorgos | Giorgos Tsagkaris | Composer, Musical Director | 1980 - 1985 | 13 | |
| Tsekou, Tzeni | Tzeni Tsekou | Actor | 1980 - 1981 | 3 | |
| Tingwell, Charles "Bud" | Charles "Bud" Tingwell | Actor | 1980 | 1 | |
| Tanimanidi, El. | El. Tanimanidi | Director | 1980 | 1 | |
| Trapero, Verónica | Verónica Trapero | Actor | 1980 | 1 | |
| Turkka, Maija-Liisa | Maija-Liisa Turkka | Actor | 1980 | 1 | |
| Tveit, Inger Katrine | Inger Katrine Tveit | Actor | 1980 | 1 | |
| Tveit, Marianne Therese | Marianne Therese Tveit | Actor | 1980 | 1 | |
| Törnquist, Arne | Arne Törnquist | Translator | 1980 | 1 | |
| Tofield, Barry | Barry Tofield | Lighting Designer | 1980 | 1 | |
| Torniainen, Leena | Leena Torniainen | Actor | 1980 | 1 | |
| Tuominen, Jukka | Jukka Tuominen | Actor | 1980 | 1 | |
| The dog, Yeti | Yeti The dog | Actor | 1980 | 1 | |
| Trombley, Jeannette-esther | Jeannette-esther Trombley | Actor | 1980 | 1 | |
| Torsten, Ena | Ena Torsten | Actor | 1980 | 1 | |
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