| Name | Functions | Event Dates  | Events | Resources | ||
|---|---|---|---|---|---|---|
| David Traub | Actor | 1986 | 1 | |||
| Rudolf Trommer | Actor | 1986 | 1 | |||
| Alan Tobin | Actor | 1986 | 1 | |||
| Dieter Trautvetter | Lighting Designer | 1986 | 1 | |||
| Borut Trekman | Translator | 1986 | 2 | |||
| Peter Theedom | Actor | 1986 | 2 | |||
| Didier Thiellet | Actor | 1986 | 1 | |||
| Eleni Tokouzpalidis | Actor | 1986 | 1 | |||
| Kalliopi Tachtsoglou | Actor | 1986 | 1 | |||
| Giannis Totsikas | Actor | 1986 | 1 | |||
| Ursula Thie | Actor | 1986 | 1 | |||
| Ennio Tozzi | Actor | 1986 | 2 | |||
| Dionigi Tresoldi | Actor | 1986 | 2 | |||
| William Temple | Actor | 1986 | 2 | |||
| Bernardo Trumper | Lighting Designer | 1986 | 1 | |||
| Andrés Turnes | Actor | 1986 | 1 | |||
| Caz Tilley | Lighting Designer | 1986 | 1 | |||
| Romke Toering | Actor | 1986 - 1991 | 2 | |||
| Siegmund Tischendorf | Actor | 1986 - 1996 | 4 | |||
| Marianne Thielmann | Actor | 1986 - 2008 | 7 | 1 | ||
| Ib Thorup | Director, Translator | 1986 - 2009 | 3 | 1 | ||
| David Thacker | Director | 1986 - 2015 | 10 | 1 | ||
| Matjaž Tribušon | Actor | 1986 - 2015 | 2 | |||
| Thedoros Terzopoulos | Adaptation, Composer, Designer, Director, Lighting Designer | 1986 - 2023 | 11 | |||
| Heather Tobias | Actor | 1987 | 1 | 1 | ||
| Minoru Takagi | Director | 1987 | 1 | |||
| Halvor Timiann Rollag | Actor | 1987 | 1 | |||
| James Trevelyan | Actor | 1987 | 1 | |||
| Jürgen Timm | Actor | 1987 | 2 | |||
| Maria João Toscano | Actor | 1987 | 1 | |||
| Nalan Türkoğlu (Nalan Turkoglu) | Costume Designer | 1987 | 1 | |||
| Deanne Turner | Designer | 1987 | 1 | |||
| Olav Anton Thommessen | Composer | 1987 - 1989 | 2 | 1 | ||
| Clive Thomas | Lighting Designer | 1987 - 1993 | 2 | |||
| Heinz Trixner | Actor | 1987 - 2003 | 3 | |||
| Sian Thomas | Actor, Director | 1987 - 2012 | 3 | 1 | ||
| Svein Tindberg | Actor | 1987 - 2018 | 11 | 1 | ||
| Rip Torn | Actor | 1988 | 1 | |||
| Victor En Yu Tan | Lighting Designer | 1988 | 1 | |||
| Jan Trieder | Musical Director | 1988 | 1 | |||
| Richard Toma | Director | 1988 | 1 | |||
| Tracey Tainish | Actor | 1988 | 1 | |||