| Name | Functions | Event Dates | Events  | Resources | ||
|---|---|---|---|---|---|---|
| Aliki Theodoridou-Nor | Actor | 1929 - 1988 | 3 | |||
| Zdzislaw Tobiasz | Actor, Director | 1958 - 1971 | 3 | |||
| Tom Tillery | Actor | 1973 - 2009 | 3 | |||
| Fritz Truppe | Actor | 1970 - 1976 | 3 | |||
| Carlos Torres | Lighting Designer | 1976 - 1994 | 3 | |||
| Carl Thejll | Actor | 1916 - 1921 | 3 | 1 | ||
| Karen Thalbitzer | Actor | 1921 - 1928 | 3 | 1 | ||
| Walter Tuomi | Actor | 1928 - 1930 | 3 | |||
| Kleio Tsatsouli | Musical Director | 1972 - 1990 | 3 | |||
| Holly Turnquist | Actor | 1972 | 3 | |||
| Erasmus Thomamüller | Actor | 1905 - 1911 | 3 | |||
| Anker Taasti | Actor | 1983 - 1990 | 3 | |||
| Andrej Tschaprasov | Actor | 1956 - 1980 | 3 | |||
| Tzeni Tsekou | Actor | 1980 - 1981 | 3 | |||
| Charis Tsitsakis | Actor | 1992 - 2001 | 3 | |||
| Susie Trayling | Actor | 1997 - 2008 | 3 | 1 | ||
| Shinichi Tsutsumi | Actor | 2008 - 2018 | 3 | |||
| Viktor Tremmel | Actor | 2003 - 2014 | 3 | 1 | ||
| Guido Truger | Actor, Director | 1961 - 1976 | 3 | 1 | ||
| Gilles Taschet | Designer | 2010 - 2012 | 3 | 1 | ||
| Sian Thomas | Actor, Director | 1987 - 2012 | 3 | 1 | ||
| Zdeněk Trčálek | Actor | 2013 - 2014 | 3 | 1 | ||
| Vera Thyssen | Actor | 1933 - 1935 | 3 | |||
| Ib Thorup | Director, Translator | 1986 - 2009 | 3 | 1 | ||
| Kostis Tsonos | Director | 1975 - 1999 | 3 | |||
| Hans-Jürgen Turczynski | Actor | 1985 | 3 | |||
| Heinz Trixner | Actor | 1987 - 2003 | 3 | |||
| Joachim Trefz | Actor | 1984 | 3 | |||
| Giorgos Theodosiadis | Director | 1955 - 1984 | 3 | |||
| Francesco Turi | Actor, Designer, Lighting Designer | 1988 | 3 | |||
| Oliver Tobias | Director | 1991 | 3 | |||
| Árni Tryggvason | Actor | 1962 - 1996 | 3 | |||
| John Turner | Actor, Director | 1984 - 1999 | 3 | |||
| Manuel Tejada | Actor | 1982 | 3 | 1 | ||
| Joanne Tunariu | Dancer | 1994 | 3 | |||
| Dietmar Teßmann | Designer | 1993 - 2014 | 3 | |||
| Liisi Tandefelt | Actor, Costume Designer | 1967 - 1980 | 3 | |||
| Rumen Tomov | Designer, Director | 1983 - 1994 | 3 | |||
| Ronald Teixeira | Designer | 1997 - 1998 | 3 | |||
| Holger Thews | Actor | 2002 | 3 | 1 | ||
| Christopher Taylor | Actor | 2005 - 2008 | 3 | |||
| David Terry | Actor | 1969 - 1970 | 3 | |||