| Name | Functions | Event Dates | Events | Resources  | ||
|---|---|---|---|---|---|---|
| Halina Thylwe | Translator | 1998 - 1999 | 2 | |||
| Leslie Taylor | Costume Designer, Designer | 1998 - 1999 | 4 | |||
| Matt Tallman | Actor | 1998 | 1 | |||
| Mary Tuomanen | Actor | 2014 - 2018 | 2 | |||
| Mary Tsangari | Designer | 2015 | 1 | |||
| Giannis Tsemberlidis | Actor | 2015 | 1 | |||
| Ingemar Tyrén | Lighting Designer | 1991 | 21 | |||
| Will Timbers | Actor | 2015 | 1 | |||
| Anke Tegtmeyer | Actor | 1954 - 1998 | 5 | |||
| Joyce Trisler | Choreographer | 1969 | 1 | |||
| Sam Tsoutaouvas | Actor | 1969 | 2 | |||
| Clay Taliaferro | Dancer | 1969 | 1 | |||
| Nina Trasoff | Dancer | 1969 | 1 | |||
| Margo Travers | Dancer | 1969 | 1 | |||
| Ben Troost | Actor | 2014 | 1 | |||
| Keith Taylor | Actor | 1969 | 1 | |||
| Hal Tiné | Designer | 1997 | 1 | |||
| Kikuo Tanaka | Lighting Designer | 1997 - 2006 | 5 | |||
| Mickey Theis | ||||||
| Julie Timmerman | Actor, Director | 2014 | 12 | |||
| Pauline Thimonnier | Dramaturg | 2014 - 2024 | 22 | |||
| Nina Tomczak | Actor | 2014 | 1 | |||
| Ralitza Toneva | Designer | 2014 | 1 | |||
| Maryellen Taylor | Actor | 1997 | 1 | |||
| Jean Toh | Actor | 2014 | 1 | |||
| Scott Tedmon-Jones | Designer | 2014 | 1 | |||
| Farina-Liza Tollewski | Actor | 2013 | 2 | |||
| Kristina Törnqvist | Actor | 2013 | 1 | |||
| László Tahi Tóth | Actor | 1965 - 1969 | 2 | |||
| Rieko Takahashi | Actor | 1997 | 1 | |||
| Aina Takle | Dancer | 1969 | 1 | |||
| David Terry | Actor | 1969 - 1970 | 3 | |||
| Michael Torre | Actor | 1969 | 1 | |||
| Dermot Tuohy | Actor | 1949 - 1969 | 4 | |||
| Pavel Trkan | Actor | 1997 | 1 | |||
| Jorma Tapio | Composer | 1997 | 1 | |||
| Gyula Thuróczy | Actor | 1925 - 1931 | 5 | |||
| Scott Thomas | Actor | 1971 | 1 | |||
| Giusi Tieghi | Actor | 1968 | 2 | |||
| Joseph Totaro | Actor | 1968 | 1 | |||
| Dan Tyra | Actor | 1968 | 1 | |||
| Beverly Ture | Actor | 1968 | 1 | |||