| 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 | |
| Traxel, Mel | Mel Traxel | Photographer | 1978 | 1 | |
| Tunççekiç, Ersen | Ersen Tunççekiç | Lighting Designer | 1977 - 2007 | 2 | |
| Trautmann, L | Lothar Trautmann (L Trautmann) | Director | 1977 - 1994 | 2 | |
| Thomenius, Maija-Liisa | Maija-Liisa Thomenius | Costume Designer | 1977 - 1986 | 3 | |
| Tuerk, Laurence | Laurence Tuerk | Lighting Designer, Sound Designer | 1977 - 1984 | 3 | |
| Tsagkas, Christos | Christos Tsagkas | Actor, Composer, Director, Dramaturg | 1977 - 1984 | 24 | |
| Tsagkas, Lampros | Lampros Tsagkas | Actor | 1977 - 1981 | 12 | |
| Thomas, Madelon | Madelon Thomas | Actor | 1977 | 1 | |
| Theuring, Friedrich | Friedrich Theuring | Actor | 1977 | 1 | |
| Tyzack, Margaret | Margaret Tyzack | Actor | 1977 | 1 | |
| Teodosiu, Valentin | Valentin Teodosiu | Actor | 1977 | 1 | |
| Tuţă, Cristian | Cristian Tuţă | Actor | 1977 | 3 | |
| Thamin, Jean-Louis | Jean-Louis Thamin | Director | 1977 | 1 | |
| Torido, Roberto | Roberto Torido | Actor | 1977 | 1 | |
| Toner, Thomas | Thomas Toner | Actor | 1977 | 2 | |
| Tschiprijanov, Nikola | Nikola Tschiprijanov | Actor | 1977 | 1 | |
| Taylor, Howard | Howard Taylor | Actor | 1977 | 1 | |
| Tanner, Leon | Leon Tanner | Actor | 1977 | 1 | |
| Tangen, Gretelill | Gretelill Tangen | Actor | 1976 - 2014 | 12 | |
| Thost, Bruno | Bruno Thost | Actor | 1976 - 2006 | 5 | |
| Torres, Carlos | Carlos Torres | Lighting Designer | 1976 - 1994 | 3 | |
| Taylor, Scott | Scott Taylor | Actor | 1976 - 1982 | 2 | |
| Tacker, Francine | Francine Tacker | Actor | 1976 - 1977 | 2 | |
| Teague, Tony | Tony Teague | Actor | 1976 - 1977 | 4 | |
| Terplan, Marianne | Marianne Terplan | Choreographer | 1976 | 1 | |
| Tomanová, Jana | Jana Tomanová | Choreographer | 1976 | 1 | |
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