| Ulman, John | John Ulman | | | | 5 |
| Urban, Jiri | Jiri Urban | | | | 4 |
| Urban, Julia | Julia Urban | Actor | 2002 - 2008 | 4 | 3 |
| Uihlein-Hartweg, Pia | Pia Uihlein-Hartweg | Actor | 2006 | 2 | 3 |
| Uter, Jürgen | Jürgen Uter | Actor | 1996 - 2009 | 5 | 2 |
| Unidos, Artistas | Artistas Unidos | | | | 2 |
| Underwood, Jill | Jill Underwood | Actor | 2002 - 2008 | 7 | 1 |
| Uukkivi, Ivo | Ivo Uukkivi | Actor, Costume Designer | 1995 - 2014 | 6 | 1 |
| Ursin, Clara | Clara Ursin | Actor | 1861 - 1876 | 4 | 1 |
| Ulrich, Klaus-Dieter | Klaus-Dieter Ulrich | Actor | 1997 - 2014 | 4 | 1 |
| Uuspõld, Jan | Jan Uuspõld | Actor | 2003 | 1 | 1 |
| Urla, Joseph | Joseph Urla | Actor | 2006 | 1 | 1 |
| Utkilen, Silje | Silje Utkilen | | | | 1 |
| Ulrich, Luise | Luise Ulrich | Actor | 1944 | 1 | |
| Uchida, Reiko | Reiko Uchida | Actor | 1955 | 1 | |
| Uchiyama, Shun | Shun Uchiyama | Designer, Director, Translator | 1984 - 1986 | 3 | |
| Uda, Shozo | Shozo Uda | Actor | 1913 - 1914 | 2 | |
| Uddén, Gunnar | Gunnar Uddén | Actor | 1965 - 2002 | 33 | |
| Udvaros, Béla | Béla Udvaros | Director | 1971 - 1999 | 2 | |
| Ueckermann, Anne-Britt | Anne-Britt Ueckermann | Actor | 1983 | 1 | |
| Ueda, Kuniyoshi | Kuniyoshi Ueda | Adaptation, Assistant Director, Director | 2005 - 2013 | 28 | |
| Uhlen, Gisela | Gisela Uhlen | Actor | 1946 - 1993 | 4 | |
| Ukkonen, Riitta | Riitta Ukkonen | Designer | 2006 | 1 | |
| Ukmar, Berta | Berta Ukmar | Actor | 1979 | 1 | |
| Ulbrich, Maria | Maria Ulbrich | Actor | 1986 | 1 | |
| Ulfsby, Erik | Erik Ulfsby | Actor, Adaptation, Director | 1992 - 2018 | 24 | |
| Ullmann, Helge | Helge Ullmann | Designer | 1997 - 2012 | 2 | |
| Ullmann, Liv | Liv Ullmann | Actor | 1960 - 2006 | 43 | |
| Ultaver, Ralf | Ralf Ultaver | Actor | 1977 | 1 | |
| Umminger, Willy | Willy Umminger | Actor, Director | 1919 - 1931 | 5 | |
| Unda, Emilia | Emilia Unda | Actor | 1908 - 1914 | 10 | |
| Ungár, Kati | Kati Ungár | Actor | 1965 | 1 | |
| Unlimited, Guardian | Guardian Unlimited | | | | |
| Unruh, Dieter | Dieter Unruh | Actor | 1957 - 1988 | 2 | |
| Unser, Ines | Ines Unser | Costume Designer, Designer | 2006 | 32 | |
| Unt, Lii | Lii Unt | Mask Maker | 1995 | 1 | |
| Unt, Mati | Mati Unt | Designer, Director, Sound Designer | 1984 - 2004 | 6 | |
| Unterweger, Birgit | Birgit Unterweger | Actor | 2002 - 2015 | 3 | |
| Unwin, Stephen | Stephen Unwin | Director, Translator | 1994 - 2013 | 59 | |
| Upendra, Sanjeeva | Sanjeeva Upendra | Actor | 2006 | 7 | |
| Uray, Peter | Peter Uray | Actor | 1979 | 1 | |
| Urbič, Breda | Breda Urbič | Actor | 1951 - 1979 | 2 | |
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