| Uni, Patrick | Patrick Uni | Actor | 1990 | 1 | |
| Unmack, Joachim | Joachim Unmack | Actor | 1962 - 1991 | 5 | |
| Unger, Craig | Craig Unger | Actor | 1992 - 1993 | 2 | |
| Utzt, Wolfgang | Wolfgang Utzt | Mask Maker | 1991 | 1 | |
| Uffelen, Rik van | Rik van Uffelen | Actor | 1992 | 2 | |
| Uchida, Kimio | Kimio Uchida | Designer | 1991 | 1 | |
| Uhde, Christine | Christine Uhde | Actor | 1992 | 2 | |
| Ueno, Yoko | Yoko Ueno | Actor | 1992 - 1994 | 2 | |
| Ukpelukpe, Augustine, Nestor | Augustine Nestor Ukpelukpe | Dancer | 1992 | 1 | |
| Ureta, Luis | Luis Ureta | Actor | 1991 | 1 | |
| Uļjanoviča, Inga | Inga Uļjanoviča | Costume Designer, Designer | 1993 | 2 | |
| Udwin, Leslee | Leslee Udwin | Actor | 1991 | 1 | |
| Unkovski, Slobodan | Slobodan Unkovski | Director | 1991 - 2009 | 3 | |
| Ulla, Ülle | Ülle Ulla | Actor | 1993 | 1 | |
| Ulfsak, Lembit | Lembit Ulfsak | Actor | 1978 - 1999 | 6 | |
| Ullrich, Stephan | Stephan Ullrich | Actor | 1993 - 1999 | 3 | |
| Unterkötter, Inge | Inge Unterkötter | Actor | 1993 | 1 | |
| Ujláb, Tamás | Tamás Ujláb | Actor | 2008 | 1 | |
| Upadhyay, Jay | Jay Upadhyay | Actor | 2014 | 1 | |
| Uzuliņš, Jevgeņijs | Jevgeņijs Uzuliņš | Actor | 1982 | 1 | |
| Uhlenbrock, Gerhard | Gerhard Uhlenbrock | Actor | 1982 | 1 | |
| Udovik, Sergey | Sergey Udovik (Сергей Удовик) | Actor | 2013 | 1 | |
| Ullrich, Ulrike | Ulrike Ullrich | Actor | 1982 | 1 | |
| Ungvári, István | István Ungvári | Actor | 1994 | 1 | |
| Uimonen, Lassi | Lassi Uimonen | Actor | 1980 | 1 | |
| Uhland, Erich | Erich Uhland | Actor | 1980 | 1 | |
| Ungár, Júlia | Júlia Ungár | Dramaturg | 1994 - 2016 | 10 | |
| Ungerathen, Kirsten | Kirsten Ungerathen | Actor | 1995 | 1 | |
| Ulkuniemi, Olli-Pekka | Olli-Pekka Ulkuniemi | Actor | 1980 | 3 | |
| Unger, Sabine | Sabine Unger | Actor | 1996 | 1 | |
| Ullrich, Charlotte | Charlotte Ullrich | Actor | 1996 | 6 | |
| Ulwan, Peter | Peter Ulwan | Dramaturg | 1996 | 1 | |
| Unrath, Klaus | Klaus Unrath | Lighting Designer | 1996 | 1 | |
| Updike, Marcy | Marcy Updike | Costume Designer | 1995 | 1 | |
| Urmson, Paul | Paul Urmson | Sound Designer | 2013 | 1 | |
| Uhlmann, Pierrette | Pierrette Uhlmann | Actor | 1995 | 2 | |
| Ulvås, Lisa | Lisa Ulvås | Actor | 1997 | 1 | |
| Uchida, Katsuyasu | Katsuyasu Uchida | Actor | 1995 | 1 | |
| Uhia, Cecilia | Cecilia Uhia | Actor | 1995 | 1 | |
| Unger, Guillermo | Guillermo Unger | Actor | 1995 | 1 | |
| Uramowicz, Andrzej | Andrzej Uramowicz | Director | 1969 | 1 | |
| Uritescu, Valentin | Valentin Uritescu | Actor | 1972 - 2004 | 9 | |
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