| Thutewohl, Christa-Renate | Christa-Renate Thutewohl | Dramaturg | 2000 | 1 | |
| Trachte, Karolin | Karolin Trachte | Dramaturg | 2017 | 1 | |
| Tekintaş, Dilek | Dilek Tekintaş | Dramaturg | 2012 | 1 | |
| Timsit, Véronique | Véronique Timsit | Dramaturg | 2019 - 2020 | 16 | |
| Tillings, Jessica Alice | Jessica Alice Tillings | Dramaturg | 2022 | 1 | |
| Tonković Dolenčić, Ana | Ana Tonković Dolenčić | Dramaturg | 2014 | 1 | |
| Terwald, Julia | Julia Terwald | Dramaturg | 2024 | 1 | |
| Thiré, Cecil | Cecil Thiré | Director, Translator | 1971 - 1989 | 14 | |
| Törmänen, G. Edv. | G. Edv. Törmänen | Director, Translator | 1888 - 1908 | 2 | |
| Turner, Jerry | Jerry Turner | Director, Translator | 1979 - 2003 | 8 | 1 |
| Thorup, Ib | Ib Thorup | Director, Translator | 1986 - 2009 | 3 | 1 |
| Tanaka, Chikao | Chikao Tanaka | Director, Translator | 1950 - 1968 | 3 | 1 |
| Teschan, Walter, E. | Walter E.B. Teschan | Director, Translator | 1945 - 1948 | 4 | |
| Talebi, Yasaman | Yasaman Talebi | Director, Translator | 2019 | 2 | 1 |
| Tarrant, Newell | Newell Tarrant | Director, Producer | 1936 - 1937 | 4 | |
| Tai, Qian | Qian Tai | Director, Producer | 2005 | 4 | |
| Thoroughgood, Nicholas | Nicholas Thoroughgood | Director, Lighting Designer | 2020 - 2022 | 3 | |
| Thacker, David | David Thacker | Director | 1986 - 2015 | 10 | 1 |
| Teale, Polly | Polly Teale | Director | 2000 | 8 | 1 |
| Theobald, Edward | Edward Theobald | Director | 1972 | 1 | |
| Thorwald, Achim | Achim Thorwald | Director | 1975 - 1977 | 2 | |
| Tidmarsh, Andrew | Andrew Tidmarsh | Director | 2002 - 2003 | 2 | |
| Tietze, Herbert | Herbert Tietze | Director | 1957 | 1 | |
| Tourneur, Maurice | Maurice Tourneur | Director | 1918 | 1 | 1 |
| Trailovic, Mira | Mira Trailovic | Director | 1975 | 1 | |
| Tsonos, Robert | Robert Tsonos | Director | 2004 | 1 | |
| Tsumak, Andrei | Andrei Tsumak | Director | 2006 | 1 | |
| Tychowa, Lucyna | Lucyna Tychowa | Director | 1989 | 1 | |
| Tywonek, Marta | Marta Tywonek | Director | 1957 | 1 | |
| Trumbull, Eric | Eric Trumbull | Director | 2006 | 1 | |
| Trautmann, L | Lothar Trautmann | Director | 1977 - 1994 | 2 | |
| Tymukas, Julia | Julia Tymukas | Director | 1984 | 1 | |
| Treutler, Ludwig | Ludwig Treutler | Director | 1893 | 1 | |
| Tittert, Siegfried | Siegfried Tittert | Director | 1948 | 1 | |
| Todorović, Sava | Sava Todorović | Director | 1904 | 1 | |
| Tuzitsch, Sergijan | Sergijan Tuzitsch | Director | 1904 - 1905 | 2 | |
| Tandberg, Ole Anders | Ole Anders Tandberg | Director | 1990 - 2021 | 60 | 1 |
| Tindberg, Ivar | Ivar Tindberg | Director | 2009 | 1 | 1 |
| Thorp, Kristine | Kristine Thorp | Director | 2010 | 1 | |
| Thomas, Jevon Brandon | Jevon Brandon Thomas | Director | 1926 | 1 | |
| Tomaszewski, Henryk | Henryk Tomaszewski | Director | 1974 | 1 | |
| Tao, Zhi | Zhi Tao | Director | 2006 - 2009 | 5 | |
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