| Name | Functions | Event Dates | Events | Resources  | ||
|---|---|---|---|---|---|---|
| Knut Thomassen | Director | 1953 - 2006 | 6 | 1 | ||
| Chikao Tanaka | Director, Translator | 1950 - 1968 | 3 | 1 | ||
| Natalie Tagg | Actor | 2004 - 2005 | 2 | 1 | ||
| Antal Tege | Actor | 2005 - 2007 | 2 | 1 | ||
| Rosemary Tory | Actor | 1966 | 1 | 1 | ||
| Jan Tiselius | Actor | 1997 | 1 | 1 | ||
| Allu Tuppurainen | Actor | 2002 | 1 | 1 | ||
| Olga Tuček | Actor, Composer | 2002 - 2004 | 99 | 1 | ||
| Harald Thor | Designer | 2002 | 1 | 1 | ||
| Robert Thomson | Lighting Designer | 2002 - 2012 | 5 | 1 | ||
| Christian Taubenheim | Actor | 2002 - 2017 | 4 | 1 | ||
| Andre Christian Torres | Actor | 2002 | 1 | 1 | ||
| Richard Thomas | Actor | 1959 - 2012 | 3 | 1 | ||
| Henrik Thomsen | Actor | 2003 | 1 | 1 | ||
| David Thornley | Designer | 2003 | 1 | 1 | ||
| Hans Thoresen | Actor | 2015 | 1 | 1 | ||
| Mari Törőcsik | Actor | 1958 - 2015 | 6 | 1 | ||
| Christian Tomner | Adaptation, Director | 2000 - 2014 | 12 | 1 | ||
| Sigrid Tooming | Translator | 2014 | 1 | 1 | ||
| Ivan Talijancic | Director | 2003 | 1 | 1 | ||
| Kevin Trainor | Actor | 2003 | 1 | 1 | ||
| Gary Thorne | Designer | 2003 | 1 | 1 | ||
| Nóra Diána Takács | Actor | 2012 | 1 | 1 | ||
| Michael Tarant | Actor, Director | 1978 - 2012 | 3 | 1 | ||
| Božidara Turzonovová | Actor | 1990 - 2004 | 2 | 1 | ||
| Karin Tammaru | Actor | 2004 | 1 | 1 | ||
| Vladimir Tintor | Actor | 2005 | 1 | 1 | ||
| František Tröster | Designer | 1958 | 1 | 1 | ||
| Salla-Mari Tommila | Actor | 2005 | 1 | 1 | ||
| Anna-Kaisa Tommila | Actor | 2005 | 2 | 1 | ||
| Paul Thompson | Musician | 2005 | 1 | 1 | ||
| Angela Thornton | Actor | 2000 - 2001 | 4 | 1 | ||
| Hans-Rudolf Twerenbold | Actor | 2000 - 2005 | 2 | 1 | ||
| Marcin Troński | Actor | 2007 | 2 | 1 | ||
| Sanda Tomescu-Baciu | Translator | 2009 | 1 | 1 | ||
| Alex Timbers | Director | 2006 | 1 | 1 | ||
| Steven Twardokus | Actor | 2006 | 1 | 1 | ||
| Michael Talke | Adaptation, Director | 2006 - 2010 | 7 | 1 | ||
| Daniel Tschumi | Actor | 2007 | 1 | 1 | ||
| Maya Trenner | Actor | 2007 | 1 | 1 | ||
| Colin Teevan | Adaptation | 2007 - 2017 | 9 | 1 | ||
| Jeffrey Tangeman | Director | 2007 | 1 | 1 | ||