| Todisco, Paolo | Paolo Todisco | Director | 1976 | 4 | |
| Tsao, Calvin | Calvin Tsao | Costume Designer, Designer | 1973 | 2 | |
| Tweddell, Anne | Anne Tweddell | Actor, Lighting Designer | 1973 | 2 | |
| Tacker, Francine | Francine Tacker | Actor | 1976 - 1977 | 2 | |
| Teague, Tony | Tony Teague | Actor | 1976 - 1977 | 4 | |
| Tanenbaum, Jacob | Jacob Tanenbaum | Actor | 1979 | 1 | |
| Thomas, Dagmar | Dagmar von Thomas | Actor | 1979 | 1 | |
| Truppe, Fritz | Fritz Truppe | Actor | 1970 - 1976 | 3 | |
| Tomasik, Marek | Marek Tomasik | Designer | 1979 | 1 | |
| Tilley, John | John Tilley | Designer | 1975 | 1 | |
| Taivassalo, Reino | Reino Taivassalo | Designer | 1972 | 1 | |
| Thau, Jochen | Jochen Thau | Actor | 1975 | 1 | |
| Tesche, Max | Max Tesche | Actor | 1975 | 1 | |
| Trenner, Anna | Anna Trenner | Actor | 1895 | 1 | |
| Thrane, Edith | Edith Thrane | Actor | 1975 | 1 | |
| Torres, Carlos | Carlos Torres | Lighting Designer | 1976 - 1994 | 3 | |
| Tvedt, Knut Are | Knut Are Tvedt | Actor | 1979 - 1980 | 2 | |
| Teper, Nancy | Nancy Teper | Actor | 1979 | 1 | |
| Toost, Michael | Michael Toost | Actor | 1962 - 1975 | 4 | |
| Tramba, Josef | Josef Tramba | Actor | 1975 | 1 | |
| Thormann, Hans-Ulrich | Hans-Ulrich Thormann | Costume Designer, Designer | 1979 | 2 | |
| Thompson, Howard | Howard Thompson | Lighting Designer | 1961 - 1981 | 4 | |
| Ter-Arutunian, Rouben | Rouben Ter-Arutunian | Costume Designer, Designer | 1976 | 2 | |
| Tartaix, Raoul | Raoul Tartaix | Lighting Designer | 1976 | 1 | |
| Timonen, Seppo | Seppo Timonen | Actor | 1981 | 1 | |
| Todynek, Teresa | Teresa Todynek | Actor | 1981 | 1 | |
| Thon, Wolfgang | Wolfgang Thon | Actor | 1981 | 1 | |
| 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 | |
| Thayer, Eric, Rissler | Eric Rissler Thayer | Sound Designer | 1981 | 1 | |
| Thiel, Helga | Helga Thiel | Actor | 1972 | 1 | |
| Toť, Jaroslav | Jaroslav Toť | | | | |
| Toledo, Raquel | Raquel Toledo | Actor | 1976 | 1 | |
| Trainer, Karen | Karen Trainer | Actor | 1981 | 1 | |
| Tait, Michael | Michael Tait | Actor | 1972 | 1 | |
| Toman, Adolf | Adolf Toman | Director | 1972 | 1 | |
| Tichy, Curth A. | Curth A. Tichy | Actor | 1965 - 1981 | 5 | |
| Tellering, Michael | Michael Tellering | Actor | 1981 | 1 | |
| Thost, Bruno | Bruno Thost | Actor | 1976 - 2006 | 5 | |
| Tomczak, Krystian | Krystian Tomczak | Actor | 1976 | 1 | |
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