| Name | Functions | Event Dates | Events | Resources  | ||
|---|---|---|---|---|---|---|
| Ria von Treusch | Actor | 1914 | 2 | |||
| Elsa Treskow | Actor | 1908 | 1 | |||
| Erkki-Sven Tüür | Sound Designer | 1984 | 1 | |||
| Geneva Turner | Actor | 2018 | 1 | |||
| Brando Triantafillou | Composer, Sound Designer | 2018 | 2 | |||
| Cendana Trifan | Actor | 2018 | 2 | |||
| Arina Ioana Trif | Actor | 2018 | 2 | |||
| Tamara Theisen | Actor | 2018 | 1 | |||
| Sandra Tomlinson | Director | 2018 | 1 | |||
| Elly Tipping | Actor | 2018 | 1 | |||
| Ernst Tauber | Actor | 1917 | 1 | |||
| Maria di Terzi | Actor | 1909 | 1 | |||
| Kirsti Eline Torhaug | Actor | 2018 - 2022 | 15 | |||
| Spencer Taylor | Actor | 2018 | 1 | |||
| Cengiz Tangör | Actor | 2018 | 1 | |||
| Dmitry Turchaninov | Director | 2018 | 2 | |||
| Brooklyn Thompson | Actor | 2018 | 1 | |||
| John Theo | Lighting Designer, Sound Designer | 2018 | 2 | |||
| Guillaume Tavi | Actor, Lighting Designer | 2018 | 3 | |||
| Laura Tinel | Actor | 2018 | 1 | |||
| Fréderic Thérisod | Actor, Composer | 2018 | 2 | |||
| Valentin Terrer | Actor | 2018 | 1 | |||
| Payton Taylor | Actor | 2018 | 1 | |||
| Eirik Tovar | Lighting Designer | 2017 | 1 | |||
| Dimitris Tarlow | Director | 2018 - 2022 | 2 | |||
| Sissy Toumassi | Actor | 2018 | 1 | |||
| Tiffany Tinsley-Weeks | Choreographer | 2018 | 1 | |||
| Dustin Trabert | Actor | 2018 | 1 | |||
| Valentina Turtur | Designer | 2018 | 20 | |||
| Nikki Tait | Costume Designer | 1984 | 1 | |||
| Louise Temple | Actor | 1969 | 1 | |||
| Sandra Turner | Actor | 1961 | 1 | |||
| Ann Marie Tighe | Actor | 1975 | 1 | |||
| Helen Thomson | Actor | 2006 | 1 | |||
| Shannon Thomas | Actor | 2018 | 1 | |||
| Liam Tobin | Actor | 2018 | 1 | |||
| Pinelopi Tsilika | Actor | 2018 | 1 | |||
| Sylvia Trivyza | Actor | 2018 | 1 | |||
| Marie Táborská | Actor | 1926 - 1935 | 2 | |||
| Kirstyn Trombetta | Actor | 2018 | 1 | |||
| Juan Pablo Troncoso | Actor, Dramaturg | 2014 - 2022 | 4 | |||
| A. Turcanu | Costume Designer | 1964 | 2 | |||