| Urquijo, Hugo | Hugo Urquijo | Director, Dramaturg, Translator | 1971 - 2006 | 4 | |
| Ullmann, Marcelo | Marcelo Ullmann | Producer | 2022 - 2024 | 4 | |
| Umezawa, Masayo | Masayo Umezawa (梅沢昌代) | Actor | 2023 | 4 | |
| Umminger, Willy | Willy Umminger | Actor, Director | 1919 - 1931 | 5 | |
| Urdal, Thea Håmo | Thea Håmo Urdal | Actor | 1999 - 2000 | 5 | |
| Ullrich, Albert | Albert Ullrich | Actor | 1901 - 1925 | 5 | |
| Ullerich, Betty | Betty Ullerich | Actor | 1902 - 1910 | 5 | |
| Uellner, Ute | Ute Uellner | Actor | 1983 - 1996 | 5 | |
| Unmack, Joachim | Joachim Unmack | Actor | 1962 - 1991 | 5 | |
| Uter, Jürgen | Jürgen Uter | Actor | 1996 - 2009 | 5 | 3 |
| Uchimura, Naoya | Naoya Uchimura | Director, Translator | 1965 - 1968 | 5 | 1 |
| Uthumma, Sawanee | Sawanee Uthumma | Actor | 2005 | 5 | |
| Ubysz, Michał Marek | Michał Marek Ubysz | Actor | 2009 - 2016 | 5 | |
| Ulicka-Pyda, Katarzyna | Katarzyna Ulicka-Pyda | Actor | 1999 | 5 | |
| Ungaro, Sophie | Sophie Ungaro | Costume Designer | 2013 - 2014 | 5 | |
| Unt, Mati | Mati Unt | Designer, Director, Sound Designer | 1984 - 2004 | 6 | 1 |
| Ulrich, Pauline | Pauline Ulrich | Actor | 1889 - 1906 | 6 | |
| Unitt, Edward G. | Edward G. Unitt | Designer | 1907 - 1910 | 6 | |
| Ulrici, Adalbert | Adalbert Ulrici | Actor, Director | 1909 - 1919 | 6 | |
| Ulfsak, Lembit | Lembit Ulfsak | Actor | 1978 - 1999 | 6 | |
| Ullrich, Charlotte | Charlotte Ullrich | Actor | 1996 | 6 | |
| Uchiyama, Ben | Ben Uchiyama | Designer | 2008 - 2010 | 6 | |
| Underwood, Jill | Jill Underwood | Actor | 2002 - 2008 | 7 | 2 |
| Upendra, Sanjeeva | Sanjeeva Upendra | Actor | 2006 | 7 | |
| Uukkivi, Ivo | Ivo Uukkivi | Actor, Costume Designer | 1995 - 2019 | 7 | 1 |
| Uhlig, Karl | Karl Uhlig | Actor | 1914 - 1927 | 7 | |
| Urbánek, Karel | Karel Urbánek | Actor, Director | 1912 - 1933 | 7 | |
| Urbánková, Jarmila | Jarmila Urbánková | Actor | 1912 - 1966 | 7 | |
| Ullrichová, Daria | Daria Ullrichová | Adaptation, Dramaturg | 1988 - 1991 | 7 | |
| Urban, Dušan | Dušan Urban | Actor | 2009 - 2012 | 7 | |
| Uddin, Sardar Aftab | Sardar Aftab Uddin | Actor, Designer | 2000 - 2004 | 7 | |
| Uhe, Christopher | Christopher Uhe | Composer, Musical Director, Musician, Sound Designer | 2013 - 2022 | 7 | |
| Umseher, Rodrigo | Rodrigo Umseher | Actor | 2023 | 7 | |
| Ujlaky, László | László Ujlaky | Actor | 1939 - 2002 | 8 | 1 |
| Uebermuth, Helene | Helene Uebermuth | Actor | 1914 - 1927 | 9 | |
| Uritescu, Valentin | Valentin Uritescu | Actor | 1972 - 2004 | 9 | |
| Ussing, Olaf | Olaf Ussing | Actor | 1950 - 2003 | 9 | |
| Unda, Emilia | Emilia Unda | Actor | 1908 - 1914 | 10 | |
| Unruh, Ida | Ida Unruh | Actor | 1909 - 1925 | 10 | |
| Upton, Andrew | Andrew Upton | Adaptation, Translator | 2004 - 2018 | 10 | 1 |
| Ungár, Júlia | Júlia Ungár | Dramaturg | 1994 - 2016 | 10 | |
| Urra, Daniela | Daniela Urra | Actor | 2011 - 2013 | 10 | |
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