| Theodoru, V. | V. Theodoru | Actor | 1925 | 1 | |
| Theodosiadis, Giorgos | Giorgos Theodosiadis | Director | 1955 - 1984 | 3 | |
| Theofanidou, Anastasia | Anastasia Theofanidou | Choreographer | 1984 - 2001 | 4 | |
| Theofanous-Vlachou, Myrto | Myrto Theofanous-Vlachou | Mask Maker | 2012 | 1 | |
| Ther, Alexa | Alexa Ther | Director | 2008 | 1 | |
| Théraulaz, Yvette | Yvette Théraulaz | Actor | 1993 | 13 | |
| Therese, Eva | Eva Therese | Dancer | 2003 | 1 | |
| Thériot, Chloé | Chloé Thériot | Actor | 2021 | 4 | |
| Thérisod, F. | Fréderic Thérisod | Actor, Composer | 2018 | 2 | |
| Therkatz, Rudolf | Rudolf Therkatz | Actor | 1952 | 1 | |
| Therrat, Michaël | Michaël Therrat | Actor | 2008 | 1 | |
| Therrien, Marie-André | Marie-André Therrien | Actor | 2016 | 1 | |
| Theune, Axel | Axel Theune | | | | |
| Theurer, Julius | Julius Theurer | Actor | 1966 | 1 | |
| Theuring, Friedrich | Friedrich Theuring | Actor | 1977 | 1 | |
| Theusner, Christoph | Christoph Theusner | Composer | 1990 - 1992 | 2 | |
| Thévelin, Claude | Claude Thévelin | Actor | 1989 | 1 | |
| Thews, Holger | Holger Thews | Actor | 2002 | 3 | |
| Theys, Arla | Arla Theys | Actor | 1978 | 1 | |
| Thi, Travis, Tuyen | Travis Tuyen Thi | Designer | 2012 | 1 | |
| Thiam, Anna | Anna Thiam | Actor | 2006 | 4 | |
| Thiam, Dial | Dial Thiam | Actor | 2021 | 5 | |
| Thibau, Ann | Ann Thibau | Costume Designer | 2007 | 1 | |
| Thibault, Éléna | Éléna Thibault | Actor | 2016 | 1 | |
| Thibaut, Johanne | Johanne Thibaut | Actor | 2007 - 2008 | 4 | |
| Thibodeaux-Thompson, Eric | Eric Thibodeaux-Thompson | Actor, Director | 2006 - 2010 | 2 | |
| Thibodeaux-Thompson, Missy | Missy Thibodeaux-Thompson | Actor | 2010 | 1 | |
| Thibout, Aurore | Aurore Thibout | Costume Designer | 2015 | 15 | |
| Thicot, Charly | Charly Thicot | Lighting Designer | 2017 | 1 | |
| Thie, Jos | Jos Thie | Adaptation, Director, Translator | 1999 | 3 | |
| Thie, Ursula | Ursula Thie | Actor | 1986 | 1 | |
| Thiebault, Séverine | Séverine Thiebault | Costume Designer | 2009 - 2021 | 7 | |
| Thiébaut, Geoffroy | Geoffroy Thiébaut | Actor | 2003 | 2 | |
| Thieblin, Grégory | Grégory Thieblin | Actor | 2009 | 1 | |
| Thiede, Hans | Hans Thiede | Actor | 1906 | 1 | |
| Thiede, Lucie | Lucie Thiede | Actor | 2019 | 1 | |
| Thiede, Nathalie | Nathalie Thiede | Actor | 2015 | 1 | |
| Thiede, Susann | Susann Thiede | Actor | 1995 - 2019 | 2 | |
| Thiel, Dorothea | Dorothea Thiel | Actor | 1964 | 1 | |
| Thiel, Elsbeth | Elsbeth Thiel | Actor | 1972 | 1 | |
| Thiel, Frank | Frank Thiel | Actor | 2009 | 33 | |
| Thiel, Franziska | Franziska Thiel | Actor | 1993 | 1 | |
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