| Trout, Deb | Deb Trout (Deb Trout) | Costume Designer | 2003 | 1 | |
| Troy, Louise | Louise Troy (Louise Troy) | Actor | 1963 | 1 | |
| Trujillo, Beau | Beau Trujillo (Beau Trujillo) | Actor | 2002 | 1 | |
| Trümpler, Sophie | Sophie Trümpler (Sophie Trümpler) | Actor | 1975 | 1 | |
| Trung, Chí | Chí Trung (Chí Trung) | Actor | 2006 - 2010 | 2 | |
| Truty, Marie | Marie Truty (Marie Truty) | Actor | 1975 | 1 | |
| Tschechowa, Olga | Olga Tschechowa (Olga Tschechowa) | Actor | 1923 - 1934 | 3 | |
| Tschernichin-Larsson, Jenny | Jenny Tschernichin-Larsson (Jenny Tschernichin-Larsson) | Actor | 1907 - 1917 | 2 | |
| Tschudi, Gilles | Gilles Tschudi (Gilles Tschudi) | Actor | 1989 - 2015 | 3 | |
| Tsiomou, Giannis | Giannis Tsiomou (Giannis Tsiomou) | Actor | 2006 - 2012 | 5 | |
| Tsonos, Robert | Robert Tsonos (Robert Tsonos) | Director | 2004 | 1 | |
| Tsubaki, Sumie | Sumie Tsubaki (Sumie Tsubaki) | Actor | 1946 | 1 | |
| Tsukitaku, Satoshi | Satoshi Tsukitaku (Satoshi Tsukitaku) | Actor | 2005 - 2013 | 14 | |
| Tsumak, Andrei | Andrei Tsumak (Andrei Tsumak) | Director | 2006 | 1 | |
| Tsumura, Reijiro | Reijiro Tsumura (Reijiro Tsumura) | Actor, Adaptation | 2005 - 2013 | 38 | |
| Tsushima, Koichi | Koichi Tsushima (Koichi Tsushima) | Actor | 1984 | 1 | |
| Tubin, Linda | Linda Tubin (Linda Tubin) | Actor | 1943 - 1962 | 3 | |
| Tucker, Shona | Shona Tucker (Shona Tucker) | Actor | 1994 - 1995 | 8 | |
| Tuerk, Penny | Penny Tuerk (Penny Tuerk) | Actor, Director | 1984 - 1986 | 2 | |
| Tugman, Emma | Emma Tugman (Emma Tugman) | Actor | 2002 | 2 | |
| Tui, Lo | Lo Tui (Lo Tui) | Actor | 1943 | 1 | |
| Tullett, Jim | Jim Tullett (Jim Tullett) | Actor | 2005 | 1 | |
| Turdeanu, Marius | Marius Turdeanu (Marius Turdeanu) | Actor | 2006 - 2018 | 8 | |
| Turner, Dorothy | Dorothy Turner (Dorothy Turner) | Actor | 1927 - 1930 | 2 | |
| Turner, Evelyn | Evelyn Turner (Evelyn Turner) | Actor | 1927 | 1 | |
| Turner, Violet | Violet Turner (Violet Turner) | Actor | 1935 | 1 | |
| Turunen, Juha | Juha Turunen (Juha Turunen) | Actor | 2006 | 1 | |
| Tüschen, Katharina | Katharina Tüschen (Katharina Tüschen) | Actor | 1967 - 1995 | 9 | |
| Tusk, Ingo | Ingo Tusk (Ingo Tusk) | Actor | 1973 | 2 | |
| Tusk, Oliver | Oliver Tusk (Oliver Tusk) | Actor | 1973 | 2 | |
| Tveit, Olav | Olav Tveit (Olav Tveit) | Actor | 1999 - 2000 | 5 | |
| Tweed, Barbette | Barbette Tweed (Barbette Tweed) | Actor | 1964 - 1967 | 3 | |
| Twist, Basil | Basil Twist (Basil Twist) | | | | |
| Tychowa, Lucyna | Lucyna Tychowa (Lucyna Tychowa) | Director | 1989 | 1 | |
| Tyler, Patricia | Patricia Tyler (Patricia Tyler) | Actor | 2007 | 1 | |
| Tyrrell, John | John Tyrrell (John Tyrrell) | Actor | 1988 - 2006 | 3 | |
| Tywonek, Marta | Marta Tywonek (Marta Tywonek) | Director | 1957 | 1 | |
| Trompen, Lorna Jean | Lorna Jean Trompen (Lorna Jean Trompen) | Actor | 1963 | 1 | |
| Tvardovskaja, O. | O. Tvardovskaja (O. Tvardovskaja) | Designer | 1999 - 2000 | 2 | |
| Tauttmansdorff, Victoria | Victoria Tauttmansdorff (Victoria Tauttmansdorff) | Actor | 2004 | 1 | |
| Tveit, Terje | Terje Tveit (Terje Tveit) | Adaptation, Designer, Director, Translator | 2000 - 2013 | 64 | |
| Tønsberg, Marianne | Marianne Tønsberg (Marianne Tønsberg) | Actor | 1967 | 1 | |
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