| Tesson, Guillaume | Guillaume Tesson | Lighting Designer | 2021 | 2 | |
| Tovar, Brian | Brian Tovar | Lighting Designer | 2022 | 1 | |
| Toben, Paul | Paul Toben | Lighting Designer | 2022 | 1 | |
| Treays, John | John Treays | Lighting Designer | 1972 | 1 | |
| Tilley, Caz | Caz Tilley | Lighting Designer | 1986 | 1 | |
| Thompson, Kristin A. | Kristin A. Thompson | Lighting Designer | 2022 | 1 | |
| Talbot, Clare | Clare Talbot | Lighting Designer | 2022 | 1 | |
| 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 | |
| Torebo-Gregorius, John | John Torebo-Gregorius | Musician | 2001 | 1 | |
| Tegnér, Ulrika | Ulrika Tegnér | Musician | 2001 | 1 | |
| Torres, Israel | Israel Torres | Musician | 2006 | 2 | |
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