| Tona, Alessia | Alessia Tona | Actor, Director | 2017 | 2 | |
| Tarrasón, Oriol | Oriol Tarrasón | Actor, Director | 2015 - 2017 | 4 | |
| Tristán Martínez, Elías | Elías Tristán Martínez | Actor, Director | 1994 | 2 | |
| Tucker, Eric | Eric Tucker | Actor, Director | 2022 | 2 | |
| Turi, Francesco | Francesco Turi | Actor, Designer, Lighting Designer | 1988 | 3 | |
| Thiele, Berit Myhre | Berit Myhre Thiele | Actor, Designer | 1996 - 2013 | 4 | |
| Thyen, Klaus-Detlef | Klaus-Detlef Thyen | Actor, Designer | 1990 | 2 | |
| Thompson, Carl | Carl Thompson | Actor, Designer | 1939 | 2 | |
| Turner, Samantha | Samantha Turner | Actor, Dancer | 2004 | 3 | |
| Tattersall, Jenny | Jenny Tattersall | Actor, Dancer | 2005 - 2008 | 3 | |
| Thomson, Watson | Watson Thomson | Actor, Dancer | 1940 | 4 | |
| Takács, Katalin | Katalin Takács | Actor, Costume Designer | 1969 - 1991 | 4 | 1 |
| Towae, Friedel | Friedel Towae | Actor, Costume Designer | 1935 - 1973 | 2 | |
| Thomson, Cindy | Cindy Thomson | Actor, Costume Designer | 2010 | 2 | |
| Tandefelt, Liisi | Liisi Tandefelt | Actor, Costume Designer | 1967 - 1980 | 3 | |
| Thompson, Carol | Carol Thompson | Actor, Costume Designer | 2000 - 2012 | 2 | |
| Tingle, Isobel | Isobel Tingle | Actor, Costume Designer | 1960 | 2 | |
| Taylor, Aileen | Aileen Taylor | Actor, Costume Designer | 1951 | 2 | |
| Tolsgaard, Jens | Jens Tolsgaard | Actor, Composer, Musician | 2013 - 2014 | 20 | |
| Tsagkas, Christos | Christos Tsagkas | Actor, Composer, Director, Dramaturg | 1977 - 1984 | 24 | |
| Thorsson, Jörgen | Jörgen Thorsson | Actor, Composer, Director | 2008 - 2016 | 6 | 1 |
| Tuček, Olga | Olga Tuček | Actor, Composer | 2002 - 2004 | 99 | 1 |
| Tirén, Olof | Olof Tirén | Actor, Composer | 1984 | 4 | |
| Thérisod, F. | Fréderic Thérisod | Actor, Composer | 2018 | 2 | |
| Trapp, Heiner | Heiner Trapp | Actor, Choreographer | 1967 | 2 | |
| Tomašević, Nikola | Nikola Tomašević | Actor, Choreographer | 2011 - 2015 | 8 | |
| Turan, Mesut | Mesut Turan | Actor, Assistant Director | 2014 | 2 | |
| Tazebaş, Alper | Alper Tazebaş | Actor, Assistant Director | 2007 | 2 | |
| Torres, Nicolás | Nicolás Torres | Actor, Assistant Director | 2021 | 2 | |
| Timi, Filippo | Filippo Timi | Actor, Adaptation, Director, Translator | 2016 - 2024 | 10 | |
| Teuscher, Raoul | Raoul Teuscher | Actor, Adaptation, Director, Translator | 2000 - 2011 | 13 | |
| Thorsen, Liv Borg | Liv Borg Thorsen | Actor, Adaptation, Director | 1960 - 2019 | 29 | 1 |
| Troemer, Klaus | Klaus Troemer | Actor, Adaptation, Director | 1974 - 1992 | 4 | |
| Tellefsen, Rut | Rut Tellefsen | Actor, Adaptation, Director | 1962 - 1998 | 63 | 1 |
| Thell, Ragnar | Ragnar Thell | Actor, Adaptation, Director | 1959 | 6 | |
| Tsumura, Reijiro | Reijiro Tsumura | Actor, Adaptation | 2005 - 2013 | 38 | 1 |
| Twigg, Venetia | Venetia Twigg | Actor, Adaptation | 2010 - 2018 | 55 | |
| Tofte, Per | Per Tofte | Actor, Adaptation | 1963 - 2016 | 60 | 3 |
| Tozer, Katherine | Katherine Tozer | Actor, Adaptation | 2013 - 2014 | 22 | 3 |
| Törnqvist, Sofia | Sofia Törnqvist | Actor, Adaptation | 2000 - 2001 | 10 | |
| Troscheit, Maika | Maika Troscheit | Actor, Adaptation | 2007 - 2013 | 7 | 1 |
| Tarokh, Amin | Amin Tarokh | Actor | 1993 | 1 | 1 |
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