| 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 | |
| Tarant, Michael | Michael Tarant | Actor, Director | 1978 - 2012 | 3 | 1 |
| Tank, Marie Louise | Marie Louise Tank | Actor | 1978 - 1986 | 6 | 1 |
| Toccafondi, Bianca | Bianca Toccafondi | Actor | 1978 - 1980 | 4 | |
| Taddei, Marta | Marta Taddei | Actor | 1978 - 1980 | 2 | |
| Tsuji, Kazuko | Kazuko Tsuji | Actor | 1978 | 2 | |
| Töth, Eduard | Eduard Töth | Actor | 1978 | 1 | |
| Tuomas-Kettunen, Veli | Veli Tuomas-Kettunen | Actor | 1978 | 1 | |
| Thuresson, Anders | Anders Thuresson | Translator | 1978 | 1 | 1 |
| Troobnick, Eugene | Eugene Troobnick | Actor | 1978 | 1 | 1 |
| Turbová, Sylva | Sylva Turbová | Actor | 1978 | 1 | |
| Tvrzníková, Jaroslava | Jaroslava Tvrzníková | Actor | 1978 | 1 | |
| Tivodaru, Ştefan | Ştefan Tivodaru | Actor | 1978 | 1 | |
| Tillotson, Ray | Ray Tillotson | Actor | 1978 | 1 | |
| Tool, Külliki | Külliki Tool | Actor | 1978 | 1 | |
| Tynsley, Dennis | Dennis Tynsley | Actor | 1978 | 1 | |
| Takida, Yusuke | Yusuke Takida | Actor | 1978 | 1 | |
| Taylor, Leo | Leo Taylor | Actor | 1978 | 3 | |
| 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 | |
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