| Urbanski, Oliver | Oliver Urbanski | Actor, Composer | 2004 – 2013 | 44 | |
| Ulonska, Marlen | Marlen Ulonska | Actor | 2008 – 2009 | 2 | |
| Uhlen, Susanne | Susanne Uhlen | Actor | 1983 | 1 | |
| Ubaldi, Marzia | Marzia Ubaldi | Actor | 1984 – 1985 | 2 | |
| Umhoefer, Stephen | Stephen Umhoefer | Actor | 2013 | 1 | |
| Uldal , Hanne | Hanne Uldal | Actor | 1985 | 2 | |
| Uma-Yim, Ullarun , Vann | Ullarun Vann Uma-Yim | Mask Maker | 1985 | 1 | |
| Uhlenbrock, Gerd | Gerd Uhlenbrock | Actor | 1985 | 1 | |
| Uhlenbrock, Till | Till Uhlenbrock | Actor | 1985 | 1 | |
| Utnem, Andreas | Andreas Utnem | Musical Director | 2014 – 2015 | 2 | |
| Ung, Jill | Jill Ung | Actor | 1985 | 2 | |
| Ulfsson, Birgitta | Birgitta Ulfsson | Actor | 1986 – 1987 | 3 | |
| Usic, William | William Usic | Actor | 1987 | 2 | |
| Uitdehaag, Maria | Maria Uitdehaag | Dramaturg | 1990 | 1 | |
| Upton, Andrew | Andrew Upton | Adaptation, Translator | 2004 – 2018 | 10 | |
| Uddén , Martin | Martin Uddén | Actor | 1990 | 1 | |
| Ulbricht, Antje | Antje Ulbricht | Actor | 1991 | 2 | |
| Uzuno, Juri | Juri Uzuno | Actor | 1990 – 2002 | 2 | |
| Uni, Patrick | Patrick Uni | Actor | 1990 | 1 | |
| Unmack, Joachim | Joachim Unmack | Actor | 1962 | 5 | |
| Unger, Craig | Craig Unger | Actor | 1992 | 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 | 1 | |
| Ulla, Ülle | Ülle Ulla | Actor | 1993 | 1 | |
| Ulfsak, Lembit | Lembit Ulfsak | Actor | 1978 – 2000 | 5 | |
| Ullrich, Stephan | Stephan Ullrich | Actor | 1993 | 3 | |
| Unterkötter, Inge | Inge Unterkötter | Actor | 1993 | 1 | |
| Unglaub, Andreas | Andreas Unglaub | Actor | 1993 | 3 | |
| 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 | |
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