| Thornam, Carl Julius | Carl Julius Thornam | Actor | 1850 - 1866 | 4 | 1 |
| Thorn, John | John Thorn | Actor | 1925 - 1926 | 2 | |
| Thormeyer, Rosa | Rosa Thormeyer | Actor | 2021 | 1 | |
| Thormeyer, Oda | Oda Thormeyer | Actor | 1985 - 2007 | 4 | 1 |
| Thormann, Hans-Ulrich | Hans-Ulrich Thormann | Costume Designer, Designer | 1979 | 2 | |
| Thormann, Gundel | Gundel Thormann | Actor | 1948 | 2 | |
| Thormann, Erich | Erich Thormann | Actor | 1924 | 2 | |
| Thorlakson, Carissa | Carissa Thorlakson | Actor | 2006 | 4 | |
| Thorjussen, Elisabeth | Elisabeth Thorjussen | Dancer | 2017 | 1 | |
| Thöring, Irma | Irma Thöring | Actor | 1915 | 2 | |
| Thoreson, Alie | Alie Thoreson | Actor | 2006 | 2 | |
| Thoresen, Yngvar | Yngvar Thoresen | Actor | 1995 | 1 | |
| Thoresen, Unni | Unni Thoresen | Actor | 1959 | 1 | |
| Thoresen, Tove | Tove Thoresen | Actor | 2015 | 2 | |
| Thoresen, Simen | Simen Thoresen | Actor | 2015 | 4 | |
| Thoresen, Henrik | Henrik Thoresen | Actor | 2015 | 1 | |
| Thoresen, Hans | Hans Thoresen | Actor | 2015 | 1 | 1 |
| Thoresen, Børt-Erik | Børt-Erik Thoresen | Actor | 1962 - 1967 | 5 | |
| Thoresen, Anine | Anine Thoresen | Actor | 1998 | 1 | |
| Thoresen, - | - Thoresen | Actor | 1876 - 1877 | 2 | |
| Thorensen, - | - Thorensen | Actor | 1877 | 2 | |
| Thorén, Amelie | Amelie Thorén | Actor | 2011 | 2 | |
| Thorell, Hjalmar | Hjalmar Thorell | Actor | 1878 - 1881 | 14 | |
| Thorell, Clarke | Clarke Thorell | Actor | 2016 | 1 | |
| Thorell, Cilla | Cilla Thorell | Actor | 1993 - 2016 | 45 | 1 |
| Thordarson, Karl | Karl Thordarson | Actor | 2019 | 1 | |
| Thordarson, Dean | Dean Thordarson | Lighting Designer | 2025 | 1 | |
| Thordahl, Grethe | Grethe Thordahl | Actor | 1944 | 1 | |
| Thorbjørnsen, Hanne | Hanne Thorbjørnsen | Actor | 2005 - 2007 | 5 | |
| Thorbjørnsen, Einar | Einar Thorbjørnsen | Composer | 1998 - 2004 | 2 | |
| Thorbjørnsen, Bård, Lie | Bård Lie Thorbjørnsen | Costume Designer, Designer | 2010 - 2025 | 101 | 1 |
| Thorberg, Vivi | Vivi Thorberg | Dancer | 1961 | 1 | |
| Thorberg Wieth, Agnes | Agnes Thorberg Wieth | Actor | 1937 | 1 | |
| Thor, Harald | Harald Thor | Designer | 2002 | 1 | 1 |
| Thonig, Richard | Richard Thonig | Actor | 2013 | 6 | |
| Thone, Amy | Amy Thone | Actor | 2022 | 1 | |
| Thon, Wolfgang | Wolfgang Thon | Actor | 1981 | 1 | |
| Thon, Kenneth | Kenneth Thon | Actor | 2023 | 1 | |
| Thon, Frederick, W. | Frederick W. Thon | Actor | 1928 | 1 | |
| Thomson, Watson | Watson Thomson | Actor, Dancer | 1940 | 4 | |
| Thomson, Todd | Todd Thomson | Actor | 2007 | 1 | 1 |
| Thomson, Sandra | Sandra Thomson | Dancer | 1957 | 1 | |
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