| Thornley, David | David Thornley | Designer | 2003 | 1 | 1 |
| Tanner, Giles | Giles Tanner | Lighting Designer, Sound Designer | 2003 | 2 | |
| Tsiakos, Konstantinos | Konstantinos Tsiakos | Actor | 2003 | 1 | |
| Theocleous, Benedict | Benedict Theocleous | Actor | 2003 | 7 | |
| Truebridge, Marc | Marc Truebridge | Lighting Designer | 2003 | 17 | |
| Tievsky, Matt | Matt Tievsky | Actor | 2003 | 1 | |
| Talijancic, Ivan | Ivan Talijancic | Director | 2003 | 1 | 1 |
| Terry, Michelle | Michelle Terry | Actor | 2003 | 1 | |
| Trainor, Kevin | Kevin Trainor | Actor | 2003 | 1 | 1 |
| Thorne, Gary | Gary Thorne | Designer | 2003 | 1 | 1 |
| Tharp, Gary | Gary Tharp | Actor | 2003 | 1 | |
| Topor, Sanna | Sanna Topor | Actor | 2003 | 1 | |
| Taynard, Yanina | Yanina Taynard | Actor | 2003 | 1 | |
| Teasdale, Mathieu | Mathieu Teasdale | Actor | 2003 | 1 | |
| Tazartès, Ghédalia | Ghédalia Tazartès | Composer | 2003 | 6 | |
| Tobelem, Renata | Renata Tobelem | Actor | 2003 | 1 | |
| Torreiro, Cindy | Cindy Torreiro | Costume Designer | 2003 | 1 | |
| Thomas, David | David Thomas | Actor | 2003 | 1 | 2 |
| Tobler, Urs | Urs Tobler | Actor | 2003 | 2 | |
| Thürlemann, Beat | Beat Thürlemann | Actor | 2003 | 2 | |
| Thorne, Brett | Brett Thorne | Actor | 2003 - 2004 | 2 | |
| Telnes, Tone | Tone Telnes | Actor | 2003 - 2004 | 2 | |
| Thuve, Desireé N.D. | Desireé N. D. Thuve (Desireé N.D. Thuve) | Actor | 2003 - 2004 | 2 | |
| Tabi, Orsolya | Orsolya Tabi | Actor | 2003 - 2005 | 4 | |
| True, Noel | Noel True | Actor | 2003 - 2005 | 2 | |
| Turner, Stephen Barker | Stephen Barker Turner | Actor | 2003 - 2007 | 2 | 1 |
| Traynor, Karen | Karen Traynor | Actor | 2003 - 2008 | 6 | |
| Traub, Reinhard | Reinhard Traub | Lighting Designer | 2003 - 2008 | 5 | |
| Tønnessen, Tyra | Tyra Tønnessen | Adaptation, Designer, Director | 2003 - 2014 | 8 | 1 |
| Tremmel, Viktor | Viktor Tremmel | Actor | 2003 - 2014 | 3 | 1 |
| Take, Heiner | Heiner Take | Actor | 2003 - 2017 | 2 | |
| Tamburri, Jack | Jack Tamburri | Director | 2003 - 2017 | 2 | |
| Tribouilloy, Brigitte | Brigitte Tribouilloy | Costume Designer | 2003 - 2019 | 22 | |
| Tackley, Michael | Michael Tackley | Actor | 2004 | 1 | |
| Taylor, Glenn | Glenn Taylor | Actor | 2004 | 1 | |
| Thompson, Daryl | Daryl Thompson | Actor | 2004 | 1 | |
| Tobola, Barbara | Barbara Tobola | Actor | 2004 | 1 | 1 |
| Tomizawa, Elli | Elli Tomizawa | Actor | 2004 | 1 | |
| Tsonos, Robert | Robert Tsonos | Director | 2004 | 1 | |
| Tauttmansdorff, Victoria | Victoria Tauttmansdorff | Actor | 2004 | 1 | 1 |
| Thomsen, Tanja | Tanja Thomsen | Actor | 2004 | 1 | 1 |
| Terry, Abigail | Abigail Terry | Actor | 2004 | 1 | |
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