| 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 | 2 | |
| Tamezars, Fricis | Fricis Tamezars | Actor | 1910 - 1912 | 2 | |
| 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 | |
| Torgersen, Jon | Jon Torgersen | Musician | 1990 | 1 | |
| Tollefsrud, Christian | Christian Tollefsrud | Actor | 1990 - 1992 | 2 | |
| Thoresen, Unni | Unni Thoresen | Actor | 1959 | 1 | |
| Thomas, Rachel | Rachel Thomas | Actor | 1972 - 1981 | 2 | |
| Tyrrell, Dickon | Dickon Tyrrell | Actor | 1994 | 3 | |
| Taraldsen, Kristian | Kristian Taraldsen | Actor | 1992 | 1 | |
| Trier, Charlotte | Charlotte Trier | Actor | 1993 | 1 | |
| Taraldsen, Berte Synnøve | Berte Synnøve Taraldsen | Actor | 1993 - 1994 | 2 | |
| Thomsen, Ketil | Ketil Thomsen | Actor | 1993 | 1 | |
| Tweebeeke, Reinier | Reinier Tweebeeke | Lighting Designer | 1992 - 1996 | 21 | |
| Torjesen, Siri | Siri Torjesen | Actor | 1994 | 1 | |
| 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 | |
| Tollefsen, Marit | Marit Tollefsen | Actor | 1997 - 2006 | 10 | |
| Totino, Tony | Tony Totino | Actor | 1997 | 1 | |
| Thorbjørnsen, Einar | Einar Thorbjørnsen | Composer | 1998 - 2004 | 2 | |
| Texnæs, Kyrre | Kyrre Texnæs | Actor | 1998 | 2 | |
| Tehrani, Henrik | Henrik Tehrani | Actor | 1998 | 1 | |
| Thoresen, Anine | Anine Thoresen | Actor | 1998 | 1 | |
| Tøftestuen, Erik | Erik Tøftestuen | Actor | 1999 - 2007 | 15 | |
| Tronsmo, Heidi | Heidi Tronsmo | Adaptation, Composer, Director | 2001 - 2010 | 4 | |
| Toppen, Guro | Guro Toppen | Actor | 2001 - 2007 | 14 | |
| Therese, Eva | Eva Therese | Dancer | 2003 | 1 | |
| Tønder, Ingrid | Ingrid Tønder | Lighting Designer, Set Designer | 2003 - 2024 | 38 | |
| Telnes, Tone | Tone Telnes | Actor | 2003 - 2004 | 2 | |
| Thuve, Desireé N.D. | Desireé N. D. Thuve (Desireé N.D. Thuve) | Actor | 2003 - 2004 | 2 | |
| Tollefsen, Kjell | Kjell Tollefsen | Actor | 2003 | 1 | |
| Tvedt, Anne Guri | Anne Guri Tvedt | Actor | 2004 | 4 | |
| Teigen, Lars Eide | Lars Eide Teigen | Actor | 2004 - 2007 | 8 | |
| Tvedt, Hege | Hege Tvedt | Choreographer | 2004 - 2005 | 2 | |
| Thorbjørnsen, Hanne | Hanne Thorbjørnsen | Actor | 2005 - 2007 | 5 | |
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