| Thorsen, Liv, Borg | Liv Borg Thorsen | Actor, Adaptation, Director | 1979 – 2019 | 6 | |
| Thorsen, Liv, | Liv Thorsen | Actor | 1960 – 1998 | 23 | |
| Thorsen, Karen, | Karen Thorsen | Actor | 1884 | 1 | |
| Thorsen, Joh. | Joh. Thorsen | | | | 1 |
| Thorsen, Benedicte, | Benedicte Thorsen | Actor | 2006 | 2 | |
| Thorsdalen, Margit | Margit Thorsdalen | Actor | 1928 | 1 | |
| Thorsby, Wenche | Wenche Thorsby | Actor | 1964 | 1 | |
| Thorsby, Håvard, | Håvard Thorsby | Actor | 2009 | 2 | |
| Thors, Katrín | Katrín Thors | Actor | 1954 | 1 | |
| Thorpe, Jonathan | Jonathan Thorpe | Actor | 2000 | 1 | |
| Thorpe, Courtenay, | Courtenay Thorpe | Actor | 1894 – 1907 | 13 | |
| Thorp, Kristine, | Kristine Thorp | Director | 2010 | 1 | |
| Thoroddsen, Emil | Emil Thoroddsen | Conductor | 1928 | 1 | |
| Thornton, Sylvia | Sylvia Thornton | Mask Maker | 1988 | 1 | |
| Thornton, Naomi | Naomi Thornton | Actor | 1968 | 1 | |
| Thornton, Maureen | Maureen Thornton | Actor | 1982 | 1 | |
| Thornton, Mark | Mark Thornton | Actor | 2006 | 1 | |
| Thornton, Jonne | Jonne Thornton | Designer, Lighting Designer | 1970 | 2 | |
| Thornton, Jake | Jake Thornton | Actor | 1991 | 1 | |
| Thornton, Isabel, | Isabel Thornton | Actor | 1915 | 1 | |
| Thornton, Harry | Harry Thornton | Actor | 2011 | 1 | |
| Thornton, Cyril | Cyril Thornton | Actor | 1934 – 1935 | 3 | |
| Thornton, Ashley | Ashley Thornton | Actor | 2012 | 1 | |
| Thornton, Arthur | Arthur Thornton | Actor | 1940 | 1 | |
| Thornton, Anna | Anna Thornton | Actor | 2018 | 1 | |
| Thornton, Angela | Angela Thornton | Actor | 2000 – 2002 | 4 | |
| Thornton, Andrew | Andrew Thornton | Actor | 2011 | 1 | |
| Thornley, Philip | Philip Thornley | Actor | 1930 | 1 | |
| Thornley, David | David Thornley | Designer | 2003 | 1 | |
| Thorne, Stephen | Stephen Thorne | Actor | 1963 | 1 | |
| Thorne, Jane | Jane Thorne | Actor | 2011 | 1 | |
| Thorne, Gary | Gary Thorne | Designer | 2003 | 1 | |
| Thorne, Brett | Brett Thorne | Actor | 2003 – 2004 | 2 | |
| Thorndike, Sybil | Sybil Thorndike | Actor | 1930 – 1945 | 3 | |
| Thorndike, Russell | Russell Thorndike | Actor | 1922 | 1 | |
| Thorndike, Eileen | Eileen Thorndike | Actor | 1948 | 1 | |
| Thorndike, Edward | Edward Thorndike | Actor | 1958 – 1959 | 1 | |
| Thorndike, Edith, | Edith Thorndike | Actor | 1910 – 1912 | 4 | |
| Thorndike, Dan | Daniel Thorndike | Actor | 1959 | 3 | |
| Thornam, Carl Julius, | Carl Julius Thornam | Actor | 1850 – 1861 | 4 | 1 |
| Thorn, John | John Thorn | Actor | 1925 – 1926 | 2 | |
| Thormeyer , Oda | Oda Thormeyer | Actor | 1985 – 2009 | 4 | |
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