| Thành, Văn | Văn Thành | Actor | 2006 - 2010 | 2 | |
| Thannen, Reinhard von der | Reinhard von der Thannen | Designer | 1992 | 1 | |
| Thanopoulos, Paulos | Paulos Thanopoulos | Costume Designer | 2006 | 1 | |
| Thanopoulos, Pavlos | Pavlos Thanopoulos | Costume Designer, Designer | 2019 | 2 | |
| Thanopoulou, E. | E. Thanopoulou | Actor | 1964 | 1 | |
| Thanos, Vangelis | Vangelis Thanos | Musician | 2002 | 1 | |
| Thanos, Zachos | Zachos Thanos | Actor | 1937 | 1 | |
| Thanou, Lambrini | Lambrini Thanou | Actor | 2019 | 1 | |
| Thanscheidt, Michael | Michael Thanscheidt | Actor | 1985 | 1 | |
| Thanum, - | - Thanum | Actor | 1889 | 1 | |
| Thapa, Bal Bahadur | Bal Bahadur Thapa | Translator | 2006 - 2009 | 2 | |
| Tharaldsen-Ruud, Signe | Signe Tharaldsen-Ruud | Actor | 1929 | 1 | |
| Tharaldsen, Signe | Signe Tharaldsen | Actor | 1920 - 1951 | 8 | |
| Tharand, Eugen | Eugen Tharand | Actor | 1919 | 1 | |
| Tharnæs, Charles | Charles Tharnæs | Actor | 1926 - 1948 | 4 | |
| Tharp, Gary | Gary Tharp | Actor | 2003 | 1 | |
| Tharp, Nathaniel | Nathaniel Tharp | Actor | 2003 | 1 | |
| Tharp, Rebeckah | Rebeckah Tharp | Actor | 2003 | 1 | |
| Tharwat, Bahaa | Bahaa Tharwat | Actor | 2006 | 1 | |
| Thatcher, Dennis | Dennis Thatcher | Actor | 1984 | 1 | |
| Thatcher, Emma | Emma Thatcher | Designer | 2010 - 2011 | 2 | |
| Thatcher, Maggie | Maggie Thatcher | Actor | 1981 | 1 | |
| Thatcher, Torin | Torin Thatcher | Actor | 1928 | 1 | |
| Thatcher, Wendy | Wendy Thatcher | Actor | 1989 | 3 | |
| Thate, Hilmar | Hilmar Thate | Actor | 1956 | 1 | |
| Thau, J. | J. Thau | Director | 1982 | 1 | |
| Thau, Jochen | Jochen Thau | Actor | 1975 | 1 | |
| Thau, Manfred | Manfred Thau | Actor | 1933 | 1 | |
| Thaulow, Chr. | Chr. Thaulow | Conductor, Musical Director | 1921 | 3 | |
| Thavoris, Yannis | Yannis Thavoris | Designer | 2012 | 2 | |
| Thaw, David | David Thaw | Actor | 1982 | 1 | |
| Thaxter, Phyllis | Phyllis Thaxter | Actor | 1954 - 1959 | 2 | |
| Thayer, David | David L. Thayer | Lighting Designer | 1965 - 1979 | 2 | |
| Thayer, Eric, Rissler | Eric Rissler Thayer | Sound Designer | 1981 | 1 | |
| Thayer, Janet | Janet Thayer | Actor | 1995 | 1 | |
| Thazard, Chris | Chris Thazard | Actor | 2019 | 1 | |
| The dog, Yeti | Yeti The dog | Actor | 1980 | 1 | |
| the Falco, Rubem | Rubem the Falco | Actor | 1971 | 1 | |
| Theater, Dream | Dream Theater | Composer | 2002 | 1 | |
| Thebaud, Estelle | Estelle Thebaud | Actor | 1914 | 1 | |
| Thébert, Claude | Claude Thébert | Actor | 1993 | 13 | |
| Theedom, Peter | Peter Theedom | Actor | 1986 | 2 | |
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