| 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 | |
| Tuerk, Laurence | Laurence Tuerk | Lighting Designer, Sound Designer | 1977 - 1984 | 3 | |
| Tanner, Giles | Giles Tanner | Lighting Designer, Sound Designer | 2003 | 2 | |
| Theo, John | John Theo | Lighting Designer, Sound Designer | 2018 | 2 | |
| Todd, Rachel | Rachel Todd | Mask Maker | 1928 | 2 | |
| Tiller, Asbjørn, | Asbjørn Tiller | Mask Maker | 1994 | 1 | |
| Tank, Heinz W. | Heinz W. Tank | Mask Maker | 1975 | 1 | |
| Theofanous-Vlachou, Myrto | Myrto Theofanous-Vlachou | Mask Maker | 2012 | 1 | |
| Tellström-Bergh, Mona | Mona Tellström-Bergh | Mask Maker | 1984 | 1 | |
| Thornton, Sylvia | Sylvia Thornton | Mask Maker | 1988 | 1 | |
| Takanen, Riina | Riina Takanen | Mask Maker | 2002 | 1 | |
| Tarak, - | - Tarak | Mask Maker | 2006 | 3 | |
| Trory, Meran | Meran Trory | Mask Maker | 2006 | 1 | |
| Townsend, Daniel | Daniel Townsend | Mask Maker | 2006 | 1 | |
| Thiele, Erich | Erich Thiele | Mask Maker | 1951 | 1 | |
| Todorov, Kiril | Kiril Todorov | Musical Director | 1974 | 1 | |
| Tsatsouli, Kleio | Kleio Tsatsouli | Musical Director | 1972 - 1990 | 3 | |
| Trieder, Jan | Jan Trieder | Musical Director | 1988 | 1 | |
| Towns, Colin | Colin Towns | Musical Director | 2014 | 2 | |
| Taravella, August | August Taravella | Musical Director | 1918 | 1 | |
| Teussink, Maartje | Maartje Teussink | Musical Director | 2017 | 1 | |
| Tot, Ilona | Ilona Tot | Musical Director | 1992 | 1 | |
| Todua, David | David Todua | Musical Director | 2013 | 1 | |
| Torgersen, Jon, | Jon Torgersen | Musician | 1990 | 1 | |
| Teien, Kjetil, | Kjetil Teien | Musician | 2013 | 2 | |
| Teien, Trygve, | Trygve Teien | Musician | 2013 | 2 | |
| Thwaites, Louise | Louise Thwaites | Musician | 2014 | 1 | |
| Trinh, Quang, Minh | Quang Minh Trinh | Musician | 2014 | 1 | |
| Tellefsen, Arve | Arve Tellefsen | Musician | 2008 - 2016 | 4 | |
| Thiemann, Harald | Harald Thiemann | Musician | 1995 | 1 | |
| Thanos, Vangelis | Vangelis Thanos | Musician | 2002 | 1 | |
| Tuková, Dominika | Dominika Tuková | Musician | 2010 - 2011 | 5 | |
| Thompson, Paul | Paul Thompson | Musician | 2005 | 1 | |
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