| Takei, Takashi | Takashi Takei | Lighting Designer | 2006 - 2010 | 6 | |
| Ter Meulen , Annette | Annette Ter Meulen | Lighting Designer | 2008 - 2015 | 6 | |
| Tatakos, Kostas | Kostas Tatakos | Lighting Designer | 2009 - 2012 | 18 | |
| Tarahhomi, Amir | Amir Tarahhomi | Lighting Designer | 2009 | 1 | |
| Tsioumis, Dimitris | Dimitris Tsioumis | Lighting Designer | 2010 | 1 | |
| Trummer, Thomas | Thomas Trummer | Lighting Designer | 2011 | 1 | |
| Tucker, Leonard | Leonard Tucker | Lighting Designer | 1964 - 1965 | 5 | |
| Tattersall, Neil | Neil Tattersall | Lighting Designer | 2012 | 1 | |
| Thompson, Bill | Bill Thompson | Lighting Designer | 1964 | 1 | |
| Tellefsen, Agnethe | Agnethe Tellefsen | Lighting Designer | 2016 | 1 | |
| Teixeira, Fernando | Fernando Teixeira | Lighting Designer | 1961 | 1 | |
| Tucci, Tony | Tony Tucci | Lighting Designer | 2012 | 2 | |
| Thompson, Karen | Karen Thompson | Lighting Designer | 2011 | 1 | |
| Tsao, An-huei | An-huei Tsao | Lighting Designer | 2013 | 2 | |
| Tömpe , Heide | Heide Tömpe | Lighting Designer | 2013 | 1 | |
| Trandafiridis, Titi | Titi Trandafiridis | Lighting Designer | 1969 | 1 | |
| Tambovskaja, O. | O. Tambovskaja | Lighting Designer | 1999 - 2000 | 2 | |
| Truebridge, Mark | Mark Truebridge | Lighting Designer | 1999 | 2 | |
| Tachikawa, Naoya | Naoya Tachikawa | Lighting Designer | 1999 | 1 | |
| Tukhanen, Petri | Petri Tukhanen | Lighting Designer | 2012 | 1 | |
| Tunççekiç, Ersen | Ersen Tunççekiç (Ersen Tunccekic) | Lighting Designer | 1977 - 2007 | 2 | |
| Taylor, Adam | Adam Taylor | Lighting Designer | 2017 | 1 | |
| Treacy, Kevin | Kevin Treacy | Lighting Designer | 2015 | 1 | |
| Taylor, Douglas | Douglas Taylor | Lighting Designer | 1978 | 1 | |
| Tan, Shaoyuan | Shaoyuan Tan | Lighting Designer | 2017 - 2018 | 7 | |
| Trumper, Bernardo | Bernardo Trumper | Lighting Designer | 1986 | 1 | |
| Thomson, Corey | Corey Thomson | Lighting Designer | 1997 | 1 | |
| Tovar, Eirik | Eirik Tovar | Lighting Designer | 2017 | 1 | |
| Tottil, José María | José María Tottil | Lighting Designer | 2019 | 1 | |
| Tziogkas, Christos | Christos Tziogkas | Lighting Designer | 2019 | 1 | |
| Taherbakhsh, Rasool | Rasool Taherbakhsh | Lighting Designer | 2017 | 1 | |
| Truffa, Valerio | Valerio Truffa | Lighting Designer | 1985 | 2 | |
| Thicot, Charly | Charly Thicot | Lighting Designer | 2017 | 1 | |
| Tesson, Guillaume | Guillaume Tesson | Lighting Designer | 2021 | 2 | |
| Thomassen, Tine, | Tine Thomassen | Dramaturg, Sound Designer | 2006 - 2016 | 263 | 1 |
| Templeton, Joan, | Joan Templeton | Dramaturg | 1998 - 2001 | 6 | |
| Thiele, Rita | Rita Thiele | Dramaturg | 1997 | 1 | |
| Tschierschky, Doris | Doris Tschierschky | Dramaturg | 1979 | 1 | |
| Tomerius, Lorenz | Lorenz Tomerius | Dramaturg | 1981 | 1 | |
| Türk, Wolfgang | Wolfgang Türk | Dramaturg | 2008 | 1 | |
| Thelemann, Susanne | Susanne Thelemann | Dramaturg | 1990 - 2008 | 6 | |
| Tisal, Albert | Albert Tisal | Dramaturg | 1993 | 2 | |
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