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