| Tomlinson, Sandra | Sandra Tomlinson | Director | 2018 | 1 | |
| Turchaninov, Dmitry | Dmitry Turchaninov | Director | 2018 | 2 | |
| Tarlow, Dimitris | Dimitris Tarlow | Director | 2018 - 2023 | 4 | |
| Tanner, Tony | Tony Tanner | Director | 2018 | 1 | |
| Tajudin, Yudi Ahmad | Yudi Ahmad Tajudin | Director | 2019 | 1 | |
| Torbica, Igor, Vuk | Igor Vuk Torbica | Director | 2019 | 1 | |
| Trenčovski, Goran | Goran Trenčovski | Director | 2017 | 2 | |
| Tsakiridi, Ria | Ria Tsakiridi | Director | 2019 | 1 | |
| Torre, Carina | Carina Torre | Director | 2016 | 1 | |
| Taneev, S.A. | S.A. Taneev | Director | 1940 | 1 | |
| Tarchanov, Ivan, Mihailovič | Ivan Mihailovič Tarchanov | Director | 1960 | 1 | |
| Tumanov, Iosif | Iosif Tumanov | Director | | 1 | |
| Tømta, Hanne | Hanne Tømta | Director | 2020 - 2022 | 2 | 3 |
| Taccardo, Paolo | Paolo Taccardo | Director | 2015 - 2017 | 5 | |
| Turska, Elzbieta | Elzbieta Turska | Director | 2009 | 1 | |
| Till, Eric | Eric Till | Director | 1966 | 1 | |
| Tuminas, Rimas | Rimas Tuminas | Director | 2022 - 2023 | 15 | |
| T'hooft, Sigrid | Sigrid T'hooft | Director | 2022 | 1 | |
| Trajanov, Gjorgi | Gjorgi Trajanov (Ѓорги Трајанов) | Director | 1969 | 1 | |
| Treinis, Tom | Tom Treinis | Director | 2023 | 1 | |
| Thielecke, Paula | Paula Thielecke | Director | 2023 | 1 | |
| Tarloou, Dimitris | Dimitris Tarloou | Director | 2023 | 2 | |
| Tagle-Willingham, Ruby | Ruby Tagle-Willingham | Director | 2024 | 2 | |
| Toccafondi, Leo | Leo Toccafondi | Director | 1980 | 1 | |
| Thoma, Simone | Simone Thoma | Director | 2019 | 1 | |
| Torella, Sandro | Sandro Torella | Director | 2014 | 1 | |
| Taylor, Gill | Gill Taylor | Director | 2024 | 1 | |
| Tamura, Isao | Isao Tamura | Designer, Sound Designer | 1968 - 1990 | 7 | |
| Tasker, John | John Tasker | Designer, Producer | 1961 | 2 | |
| Tomtsini, Sokol | Sokol Tomtsini | Designer, Lighting Designer | 2001 - 2007 | 6 | |
| Thornton, Jonne | Jonne Thornton | Designer, Lighting Designer | 1970 | 2 | |
| Taylor, James | James Taylor | Designer, Lighting Designer | 1993 | 2 | |
| Tilton, James | James Tilton | Designer, Lighting Designer | 1965 - 1967 | 5 | |
| Thomas, Hugh | Hugh Thomas | Designer, Lighting Designer | 1963 | 2 | |
| Tomov, Rumen | Rumen Tomov | Designer, Director | 1983 - 1994 | 3 | |
| Truffer, Alex | Alex Truffer | Designer, Director | 2009 | 2 | |
| Troller, Urs | Urs Troller | Designer, Director | 2010 | 2 | |
| Tester, Ted | Ted Tester | Designer, Director | 1975 | 2 | |
| Taylor, David | David Taylor | Designer | 1999 | 1 | |
| Thelander, Lesley | Lesley Thelander | Designer | 1982 | 1 | |
| Thompson, Mark | Mark Thompson | Designer | 1991 | 1 | |
| Tietjens, Michael | Michael Tietjens | Designer | 1983 | 1 | |
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