| 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 | |
| Tortul , Jessica | Jessica Tortul | Lighting Designer | 2016 - 2018 | 4 | |
| Thibodaux, Erin | Erin Thibodaux | Lighting Designer | 2024 | 2 | |
| Tollefsen, Thale | Thale Tollefsen | Lighting Designer | 2025 | 1 | |
| Thordarson, Dean | Dean Thordarson | Lighting Designer | 2025 | 1 | |
| Tusher, Ben | Ben Tusher | Lighting Designer | 2025 | 1 | |
| Tesař, Daniel | Daniel Tesař | Lighting Designer | 2025 | 1 | |
| Tønder, Ingrid | Ingrid Tønder | Lighting Designer, Set Designer | 2003 - 2024 | 38 | |
| Tuerk, Laurence | Laurence Tuerk | Lighting Designer, Sound Designer | 1977 - 1984 | 3 | |
| Theo, John | John Theo | Lighting Designer, Sound Designer | 2018 | 2 | |
| Tanner, Giles | Giles Tanner | Lighting Designer, Sound Designer, Technician | 2003 - 2024 | 3 | |
| 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 | |
| Tali, Anu | Anu Tali | Musical Director | 2025 | 1 | |
| Theodorou, Krystalia | Krystalia Theodorou | Musical Director, Musician | 2022 - 2023 | 4 | |
| 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 | |
|
|
