| Upper, Nick | Nick Upper | Director | 2015 - 2016 | 2 | |
| Upor, Tibor | Tibor Upor | Designer | 1957 | 1 | |
| Upington, Deb | Deb Upington | Actor | 2010 | 2 | |
| Upham, T. Carleton | T. Carleton Upham | Actor | 1928 | 1 | |
| Upendro (Tocha), A. | A. Upendro (Tocha) | Actor | 2012 | 1 | |
| Upendra, Sanjeeva | Sanjeeva Upendra | Actor | 2006 | 7 | |
| Updike, Marcy | Marcy Updike | Costume Designer | 1995 | 1 | |
| Upatneeks, Karlis | Karlis Upatneeks | Actor | 1921 | 2 | |
| Upadhyay, Shivika | Shivika Upadhyay | Lighting Designer | 2010 | 1 | |
| Upadhyay, Jay | Jay Upadhyay | Actor | 2014 | 1 | |
| Unzalu-Troya, Vanessa | Vanessa Unzalu-Troya | Actor | 2011 | 1 | |
| Unwin, Stephen | Stephen Unwin | Director, Translator | 1994 - 2013 | 59 | 1 |
| Unwin, George | George Unwin | Actor | 1939 | 1 | |
| Unterweger, Birgit | Birgit Unterweger | Actor | 2002 - 2015 | 3 | 1 |
| Untermans, Hilde | Hilde Untermans | Actor | 1960 | 1 | |
| Unterman, Ian | Ian Unterman | Actor | 2006 | 1 | |
| Unterkötter, Inge | Inge Unterkötter | Actor | 1993 | 1 | |
| Unterberger, Anna | Anna Unterberger | Actor | 2016 | 1 | |
| Unt, Mati | Mati Unt | Designer, Director, Sound Designer | 1984 - 2004 | 6 | 1 |
| Unt, Lii | Lii Unt | Mask Maker | 1995 | 1 | |
| Unt, Katariina | Katariina Unt | Actor | 2014 | 1 | |
| Unt, Aime | Aime Unt | Designer | 1976 - 1978 | 2 | |
| Unsworth-Murray, Katie | Katie Unsworth-Murray | Costume Designer, Designer | 2015 | 2 | |
| Unser, Ines | Ines Unser | Costume Designer, Designer | 2006 | 32 | |
| Unruh, Vic | Vic Unruh | Actor | 2019 | 1 | |
| Unruh, Ursula | Ursula Unruh | Musician | 1976 | 1 | |
| Unruh, Ida | Ida Unruh | Actor | 1909 - 1925 | 10 | |
| Unruh, Dieter | Dieter Unruh | Actor | 1957 - 1988 | 2 | |
| Unrath, Klaus | Klaus Unrath | Lighting Designer | 1996 | 1 | |
| Uno, Jukichi | Jukichi Uno | Actor | 1953 | 1 | |
| Unn | Unn - | Actor, Dancer | 2003 | 2 | |
| Unmack, Joachim | Joachim Unmack | Actor | 1962 - 1991 | 5 | |
| Unlimited, Guardian | Guardian Unlimited | | | | |
| Unkovski, Slobodan | Slobodan Unkovski | Director | 1991 | 1 | |
| Unknown, Parvathavani | Parvathavani Unknown | Translator | 2019 | 1 | |
| Unkelbach, Kurt | Kurt Unkelbach | Actor | 1936 | 1 | |
| Unitt, Edward G. | Edward G. Unitt | Designer | 1907 - 1910 | 6 | |
| Unidos, Artistas | Artistas Unidos | | | | 2 |
| Uni, Patrick | Patrick Uni | Actor | 1990 | 1 | |
| Ungvári, István | István Ungvári | Actor | 1994 | 1 | |
| Ungurjanu, Ion | Ion Ungurjanu | Director, Dramaturg | 1979 - 1981 | 3 | |
| Ungureanu, Eugen | Eugen Ungureanu | Actor | 1974 | 1 | |
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