| Taniguchi, Kaori | Kaori Taniguchi | Actor | 1978 | 1 | |
| Tschetter, Jane | Jane Tschetter | Costume Designer | 1978 | 1 | |
| Taylor, Douglas | Douglas Taylor | Lighting Designer | 1978 | 1 | |
| Taylor, Juliet | Juliet Taylor | Actor | 1978 | 1 | |
| Tewes, Alfred | Alfred Tewes | Actor | 1978 | 1 | |
| Trooger, Sabina | Sabina Trooger | Actor | 1978 | 1 | |
| Toney, Brian | Brian Toney | Actor | 1978 | 1 | |
| Tammeleht, Lisbeht | Lisbeht Tammeleht | Actor | 1978 | 1 | |
| Theys, Arla | Arla Theys | Actor | 1978 | 1 | |
| Tapavički, Feđa | Feđa Tapavički | Actor | 1978 | 1 | |
| Tanner, Kenneth W. | Kenneth W. Tanner | Actor | 1978 | 1 | |
| Traxel, Mel | Mel Traxel | Photographer | 1978 | 1 | |
| Terrón, Pepa | Pepa Terrón | Actor | 1978 | 1 | |
| Toccafondi, Bianca | Bianca Toccafondi | Actor | 1978 - 1980 | 2 | |
| Taddei, Marta | Marta Taddei | Actor | 1978 - 1980 | 2 | |
| Tank, Marie Louise | Marie Louise Tank | Actor | 1978 - 1986 | 6 | 1 |
| Tarant, Michael | Michael Tarant | Actor, Director | 1978 - 2012 | 3 | 1 |
| Taraschi, Rosario | Rosario Taraschi | Actor | 1979 | 1 | |
| Tate, Richard | Richard Tate | Actor | 1979 | 1 | |
| Turgan, A. | A. Turgan | Actor | 1979 | 1 | |
| Travin, D. | D. Travin | Actor | 1979 | 1 | |
| Tabakov, O. | O. Tabakov | Actor | 1979 | 1 | |
| Tschierschky, Doris | Doris Tschierschky | Dramaturg | 1979 | 1 | |
| Tomei, Concetta | Concetta Tomei | Actor | 1979 | 1 | 1 |
| Tanenbaum, Jacob | Jacob Tanenbaum | Actor | 1979 | 1 | |
| Thomas, Dagmar | Dagmar von Thomas | Actor | 1979 | 1 | |
| Tomasik, Marek | Marek Tomasik | Designer | 1979 | 1 | |
| Teper, Nancy | Nancy Teper | Actor | 1979 | 1 | |
| Thormann, Hans-Ulrich | Hans-Ulrich Thormann | Costume Designer, Designer | 1979 | 2 | |
| Taulo, Risto | Risto Taulo | Actor | 1979 | 1 | |
| Tiensuu, Anna-Liisa | Anna-Liisa Tiensuu | Actor | 1979 | 1 | |
| Teittinen, Erkki | Erkki Teittinen | Actor | 1979 | 1 | |
| Tośta, Antoni | Antoni Tośta | Designer | 1979 | 1 | |
| Tomase, Ilga | Ilga Tomase | Actor | 1979 | 1 | |
| Tudor, Sally | Sally Tudor | Actor | 1979 | 1 | |
| Tudor, Nicholas | Nicholas Tudor | Actor | 1979 | 1 | |
| Tvedt, Knut Are | Knut Are Tvedt | Actor | 1979 - 1980 | 2 | |
| ten Bruggencate, Catherine | Catherine ten Bruggencate | Actor | 1979 - 1992 | 3 | |
| Turner, Jerry | Jerry Turner | Director, Translator | 1979 - 2003 | 8 | 1 |
| Tingwell, Charles "Bud" | Charles "Bud" Tingwell | Actor | 1980 | 1 | |
| Tanimanidi, El. | El. Tanimanidi | Director | 1980 | 1 | |
| Trapero, Verónica | Verónica Trapero | Actor | 1980 | 1 | |
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