| Treuner, Peter | Peter Treuner | Actor | 1984 | 5 | |
| Treurniet, Dimme | Dimme Treurniet (Dimme Treurniet) | Actor | 1996 - 2003 | 4 | |
| Treusch, Hermann | Hermann Treusch | Actor | 1961 - 2006 | 8 | |
| Treusch, Ria von | Ria von Treusch | Actor | 1914 | 2 | |
| Treutler, Hr. | Hr. Treutler | Actor | 1878 | 1 | |
| Treutler, Ludwig | Ludwig Treutler (Ludwig Treutler) | Director | 1893 | 1 | |
| Treutler, Malgorzata | Malgorzata Treutler (Malgorzata Treutler) | Designer | 1973 - 1989 | 2 | |
| Treutler, Toni | Toni Treutler (Toni Treutler) | Actor | 1928 - 1938 | 6 | |
| Trevelyan, James | James Trevelyan | Actor | 1987 | 1 | |
| Treves, E. | E. Treves (E. Treves) | Actor | 1892 - 1893 | 3 | |
| Trevett, Kea | Kea Trevett | Actor | 2016 | 1 | |
| Trevino, Carmen | Carmen Trevino (Carmen Trevino) | Actor | 2008 | 1 | |
| Treviño, Christopher | Christopher Treviño | Lighting Designer | 2006 | 1 | |
| Treviño, Mariana | Mariana Treviño | Actor | 2006 | 14 | |
| Trevisi, Franco | Franco Trevisi (Franco Trevisi) | Actor | 1981 - 1982 | 8 | |
| Trevisi, Graziano | Graziano Trevisi | Actor | 1998 | 1 | |
| Trevor, Ann | Ann Trevor | Actor | 1928 | 1 | |
| Trevor, Austin | Austin Trevor (Austin Trevor) | Actor | 1922 - 1939 | 4 | |
| Trevor, Edward | Edward Trevor | Actor | 1936 | 3 | |
| Trevor, John V. | John V. Trevor | Actor | 1928 - 1936 | 3 | |
| Trevor, Norman | Norman Trevor | Actor | 1911 | 1 | |
| Treβler, Otto | Otto Treβler | Actor | 1956 | 1 | |
| Triador, Jorge | Jorge Triador (Jorge Triador) | Actor | 1954 - 1976 | 3 | |
| Triana, Gisella | Gisella Triana (Gisella Triana) | Actor | 1989 | 1 | |
| Triana, Rafael | Rafael Triana | Costume Designer, Designer | 2013 | 2 | |
| Triantafillou, Brando | Brando Triantafillou | Composer, Sound Designer | 2018 | 2 | |
| Triantafyllidi, Angeliki | Angeliki Triantafyllidi | Actor, Director | 1973 - 1974 | 5 | |
| Triantafyllou, Lina | Lina Triantafyllou | Actor | 1973 - 1974 | 3 | |
| Triantis, S. | S. Triantis | Actor | 1935 | 1 | |
| Tribe, Andrew | Andrew Tribe | Actor | 2008 | 1 | |
| Tribouilloy, Brigitte | Brigitte Tribouilloy | Costume Designer | 2003 - 2019 | 22 | |
| Tribušon, Matjaž | Matjaž Tribušon | Actor | 1986 - 2015 | 2 | |
| Trichas, Spyridon | Spyridon Trichas (Spyridon Trichas) | Actor | 1905 | 1 | |
| Triebel, Eva | Eva Triebel | Actor | 1962 | 2 | |
| Triebel, Jördis | Jördis Triebel | Actor | 2002 | 2 | |
| Triebl, Berta | Berta Triebl (Berta Triebl) | Actor | 1903 | 1 | |
| Triebl, Joseph | Joseph Triebl (Joseph Triebl) | Actor | 1898 | 1 | |
| Triebner, Arthur | Arthur Triebner | Actor | 1905 | 1 | |
| Trieder, Jan | Jan Trieder | Musical Director | 1988 | 1 | |
| Trienekens, Elvira | Elvira Trienekens (Elvira Trienekens) | Costume Designer, Designer | 1997 | 2 | |
| Trier, Charlotte | Charlotte Trier (Charlotte Trier) | Actor | 1993 | 1 | |
| Trier, Ludmilla | Ludmilla Trier (Ludmilla Trier) | Actor | 1903 | 1 | |
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