| Thomassen, Tine | Tine Thomassen | Dramaturg, Sound Designer | 2006 - 2016 | 263 | 2 |
| Teigen, Noralv | Noralv Teigen | Actor | 1956 - 1990 | 199 | 1 |
| Tønnesen, Terje | Terje Tønnesen | Composer, Sound Designer | 2012 - 2013 | 138 | |
| Toresen, Arne | Arne Toresen | Actor | 1904 - 1916 | 112 | |
| Triesch, Irene | Irene Triesch | Actor, Director | 1894 - 1933 | 110 | 1 |
| Tandberg, Monna | Monna Tandberg | Actor | 1966 - 2007 | 108 | 3 |
| Thorbjørnsen, Bård, Lie | Bård Lie Thorbjørnsen | Costume Designer, Designer | 2010 - 2017 | 100 | 1 |
| Tuček, Olga | Olga Tuček | Actor, Composer | 2002 - 2004 | 99 | 1 |
| Tørklep, Linda | Linda Tørklep | Actor | 1973 - 2006 | 96 | 1 |
| Tønseth, Markus | Markus Tønseth | Actor | 1995 - 2008 | 95 | |
| Tienhooven, Theo | Theo Tienhooven | Costume Designer, Designer | 1991 - 2009 | 90 | |
| Timmers, Gerrit | Gerrit Timmers | Adaptation, Designer, Director | 1998 - 2009 | 85 | |
| Thomassen, Thomas Christian | Thomas Christian Thomassen | Actor, Director | 1901 - 1942 | 84 | 1 |
| Trolin, Moqi Simon | Moqi Simon Trolin | Adaptation, Director | 2018 - 2020 | 83 | |
| Tangstad, Anne-Lise | Anne-Lise Tangstad | Actor | 1973 - 1975 | 82 | |
| Tønder, Theodor | Theodor Tønder | Actor | 1908 - 1910 | 74 | |
| Tarjem, Turi | Turi Tarjem | Actor | 1990 - 1993 | 73 | 1 |
| Trystram, Marie | Marie Trystram | Actor | 2004 - 2005 | 72 | |
| Trentelman, Hans | Hans Trentelman | Actor | 2009 | 70 | |
| Tveit, Magnus | Magnus Tveit | Actor | 1956 - 1973 | 66 | 1 |
| Tveit, Terje | Terje Tveit | Adaptation, Designer, Director, Translator | 2000 - 2013 | 64 | 1 |
| Toresen, Jenny | Jenny Toresen | Actor | 1905 - 1907 | 63 | |
| Tønder, Mathea Jacobsen | Mathea Jacobsen Tønder | Actor | 1905 - 1910 | 63 | |
| Tellefsen, Rut | Rut Tellefsen | Actor, Adaptation, Director | 1962 - 1998 | 63 | 1 |
| Thomassen, Gustav | Gustav Thomassen | Actor, Director | 1883 - 1934 | 62 | 2 |
| Toresen, Sverre Helland | Sverre Helland Toresen | Actor | 1901 - 1910 | 62 | |
| Tandberg, Ole Anders | Ole Anders Tandberg | Director | 1990 - 2021 | 60 | 1 |
| Tofte, Per | Per Tofte | Actor, Adaptation | 1963 - 2016 | 60 | 3 |
| Twigg, Venetia | Venetia Twigg | Actor, Adaptation | 2010 - 2018 | 55 | |
| Tismer, Anne | Anne Tismer | Actor | 2002 - 2009 | 47 | 1 |
| Teien, Inger | Inger Teien | Actor | 1959 - 2006 | 47 | 1 |
| Thorell, Cilla | Cilla Thorell | Actor | 1993 - 2016 | 45 | 1 |
| Thue, Axel | Axel Thue | Actor | 1935 - 1979 | 44 | 1 |
| Thomassen, Per | Per Thomassen | Lighting Designer | 1971 | 44 | |
| Taeger, Friedrich | Friedrich Taeger | Actor | 1893 - 1926 | 43 | |
| Taddei, Andrea | Andrea Taddei | Costume Designer, Designer | 2000 - 2014 | 42 | |
| Torkildsen, Unni | Unni Torkildsen | Actor | 1925 - 2006 | 41 | 1 |
| Tveito, Einar | Einar Tveito | Actor | 1927 - 1938 | 40 | 1 |
| Tanghe, Dirk | Dirk Tanghe | Costume Designer, Designer, Director, Translator | 1994 - 2004 | 38 | |
| Tsumura, Reijiro | Reijiro Tsumura | Actor, Adaptation | 2005 - 2013 | 38 | 1 |
| Tønder, Ingrid | Ingrid Tønder | Lighting Designer, Set Designer | 2003 - 2024 | 38 | |
| Thunbo, Morten | Morten Thunbo | Actor | 1997 - 2002 | 38 | 1 |
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