| Ulfsak, Lembit | Lembit Ulfsak | Actor | 1978 - 1999 | 6 | |
| Ullrich, Charlotte | Charlotte Ullrich | Actor | 1996 | 6 | |
| Uchiyama, Ben | Ben Uchiyama | Designer | 2008 - 2010 | 6 | |
| 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 | |
| Uhlen, Gisela | Gisela Uhlen | Actor | 1946 - 1993 | 4 | |
| Urban, Julia | Julia Urban | Actor | 2002 - 2008 | 4 | 3 |
| Uhlendorff, Gustav | Gustav Uhlendorff | Actor | 1884 - 1888 | 4 | |
| Ursin, Clara | Clara Ursin | Actor | 1861 - 1876 | 4 | 1 |
| Ulrich, - | - Ulrich | Actor | 1889 - 1892 | 4 | |
| Urban, Mary | Mary Urban | Actor | 1903 - 1906 | 4 | |
| Urfus, Marie | Marie Urfus | Actor | 1904 - 1905 | 4 | |
| Ulbrich, Franz | Franz Ulbrich | Director | 1919 - 1924 | 4 | |
| Ulrich, Richard | Richard Ulrich | Actor | 1932 - 1961 | 4 | |
| Uzaki, Ryudo | Ryudo Uzaki | Composer | 1990 - 1994 | 4 | |
| Ulekleiv, Mina | Mina Ulekleiv | Actor | 1994 - 1995 | 4 | |
| Ulekleiv, Sverre | Sverre Ulekleiv | Actor | 1994 - 1995 | 4 | |
| Uray, Tivadar | Tivadar Uray | Actor | 1927 - 1939 | 4 | 1 |
| Urumov, Bontscho | Bontscho Urumov | Actor | 1974 - 1978 | 4 | |
| Ulrich, Klaus-Dieter | Klaus-Dieter Ulrich | Actor | 1997 - 2014 | 4 | 1 |
| Uhl, Susanne | Susanne Uhl | Costume Designer, Designer | 2002 - 2017 | 4 | |
| Ulleri, Ria | Ria Ulleri | Actor | 2003 | 4 | |
| Underwood, Kristen | Kristen Underwood | Actor, Director | 1999 - 2001 | 4 | |
| Unger, Valentin | Valentin Unger | Actor | 2011 | 4 | |
| Udenius, Folke | Folke Udenius | Actor | 1943 | 4 | |
| Urton, Shane | Shane Urton | Actor | 2017 - 2020 | 4 | |
| Urquijo, Hugo | Hugo Urquijo | Director, Dramaturg, Translator | 1971 - 2006 | 4 | |
| Uprak, Hazal | Hazal Uprak | Actor | 2023 - 2025 | 4 | |
| Ullmann, Marcelo | Marcelo Ullmann | Producer | 2022 - 2024 | 4 | |
| Umezawa, Masayo | Masayo Umezawa (梅沢昌代) | Actor | 2023 | 4 | |
| Uchiyama, Shun | Shun Uchiyama | Designer, Director, Translator | 1984 - 1986 | 3 | |
| Unterweger, Birgit | Birgit Unterweger | Actor | 2002 - 2015 | 3 | 1 |
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