| Thomassen, V.G., | V. G. Thomassen (V.G. Thomassen) | Actor | 1909 | 2 | |
| Tiveri, Loukia, | Loukia Tiveri | Actor | 1909 | 1 | |
| Taylor, Samuel Coleridge, | Samuel Coleridge Taylor | Composer | 1909 | 1 | |
| Trzeciecka, Maria, | Maria Trzeciecka | Actor | 1910 - 1911 | 2 | |
| Tamezars, Fricis, | Fricis Tamezars | Actor | 1910 | 2 | |
| Tucker, R.W., | R. W. Tucker (R.W. Tucker) | Actor | 1910 | 3 | |
| Tobin, George, | George Tobin | Actor | 1910 | 3 | |
| Tarnawski, -, | - Tarnawski | Actor | 1910 | 1 | |
| Třebovský, Alex F., | Alexander F. Třebovský (Alex F. Třebovský) | Actor, Director | 1910 - 1921 | 5 | |
| Tiden, Fred, | Fred Tiden | Actor | 1910 | 1 | |
| Tandberg, Ole Anders, | Ole Anders Tandberg | Director | 1990 - 2020 | 49 | |
| Tandberg, Eli-Ann, | Eli-Ann Tandberg | Actor | 1994 | 1 | |
| Tellefsen, Rut, | Rut Tellefsen | Actor, Adaptation, Director | 1962 - 1997 | 63 | |
| Tellefsen, Pia, | Pia Tellefsen | Actor | 1981 - 1997 | 22 | |
| Torgersen, Jon, | Jon Torgersen | Musician | 1990 | 1 | |
| Tollefsrud, Christian, | Christian Tollefsrud | Actor | 1990 | 2 | |
| Teien, Inger, | Inger Teien | Actor | 1959 - 2006 | 47 | |
| Thoresen, Unni, | Unni Thoresen | Actor | 1959 | 1 | |
| Tvinde, Lars, | Lars Tvinde | Actor | 1946 - 1948 | 13 | |
| Thomas, Rachel, | Rachel Thomas | Actor | 1972 - 1981 | 2 | |
| Tank, Marie Louise, | Marie Louise Tank | Actor | 1978 - 1987 | 6 | |
| Tyrrell, Dickon, | Dickon Tyrrell | Actor | 1994 | 3 | |
| Threlfall, David, | David Threlfall | Actor | 1990 - 1999 | 5 | |
| Taraldsen, Kristian, | Kristian Taraldsen | Actor | 1992 | 1 | |
| Telle, Catrine, | Catrine Telle | Adaptation, Director | 1992 - 2006 | 6 | |
| Trier, Charlotte, | Charlotte Trier | Actor | 1993 | 1 | |
| Taraldsen, Berte Synnøve, | Berte Synnøve Taraldsen | Actor | 1993 - 1994 | 2 | |
| Thomsen, Ketil, | Ketil Thomsen | Actor | 1993 - 1994 | 1 | |
| Tindberg, Svein, | Svein Tindberg | Actor | 1987 - 2019 | 12 | |
| Tweebeeke, Reinier, | Reinier Tweebeeke | Lighting Designer | 1992 - 1995 | 21 | |
| Torjesen, Siri, | Siri Torjesen | Actor | 1994 | 1 | |
| Teigen, Bjørnar, | Bjørnar Teigen | Actor | 1994 - 2014 | 16 | |
| Thoresen, Yngvar, | Yngvar Thoresen | Actor | 1995 | 1 | |
| Tagestad, Erling, | Erling Tagestad | Actor | 1995 - 2004 | 18 | |
| Thiele, Berit Myhre, | Berit Myhre Thiele | Actor, Designer | 1996 - 2013 | 4 | |
| Toset, Ole Petter Angell, | Ole Petter Angell Toset | Actor | 1996 - 2007 | 22 | |
| Toset, Solveig Mollebæk, | Solveig Mollebæk Toset | Actor | 1996 - 2007 | 22 | |
| Tombre, Jon, | Jon Tombre | Adaptation, Director | 1997 - 2008 | 28 | |
| Tollefsen, Marit, | Marit Tollefsen | Actor | 1997 - 2006 | 10 | |
| Tørklep, Linda, | Linda Tørklep | Actor | 1973 - 2006 | 96 | |
| Totino, Tony, | Tony Totino | Actor | 1997 | 1 | |
| Thorbjørnsen, Einar, | Einar Thorbjørnsen | Composer | 1998 - 2004 | 2 | |
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