| Unglaub, Andreas | Andreas Unglaub | Actor | 1993 - 1995 | 3 | |
| Ungern, Rudolf, Aleksandrovich | Rudolf Aleksandrovich Ungern | Director | 1908 | 1 | |
| Ungermann, Ella | Ella Ungermann | Actor | 1911 - 1917 | 3 | |
| Ungerathen, Kirsten | Kirsten Ungerathen | Actor | 1995 | 1 | |
| Unger, Valentin | Valentin Unger | Actor | 2011 | 4 | |
| Unger, Sabine | Sabine Unger | Actor | 1996 | 1 | |
| Unger, Pálma | Pálma Unger | Actor | 1976 | 2 | |
| Unger, Matthias | Matthias Unger | Actor | 1993 | 1 | |
| Unger, Ludwig | Ludwig Unger | Actor | 1922 | 1 | |
| Unger, Julia | Julia Unger | Assistant Director | 2007 | 1 | |
| Unger, Jacqueline | Jacqueline Unger | Actor | 1951 | 1 | |
| Unger, Hr. | Hr. Unger | Actor | 1879 | 1 | |
| Unger, Hans | Hans Unger | Actor | 1972 | 2 | |
| Unger, Guillermo | Guillermo Unger | Actor | 1995 | 1 | |
| Unger, Edward | Edward Unger | Actor | 1896 | 1 | |
| Unger, Craig | Craig Unger | Actor | 1992 - 1993 | 2 | |
| Unger, Alduin | Alduin Unger | Director | 1900 | 1 | |
| Ungen Schøll, Klaus | Klaus Ungen Schøll | Musician | 2008 | 1 | |
| Unge, Bibbi | Bibbi Unge | Actor | 1978 | 1 | |
| Ungaro, Sophie | Sophie Ungaro | Costume Designer | 2013 - 2014 | 5 | |
| Ungar, Klara | Klara Ungar | Actor | 1879 - 1897 | 3 | |
| Ungár, Kati | Kati Ungár | Actor | 1965 | 1 | |
| Ungár, Júlia | Júlia Ungár | Dramaturg | 1994 - 2016 | 10 | |
| Ungan, Teresa | Teresa Ungan | Designer | 2017 | 1 | |
| Ung, Yang Jung | Yang Jung Ung | Director | 2009 - 2012 | 3 | |
| Ung, Jill | Jill Ung | Actor | 1985 | 2 | |
| Undnæs, Sverre | Sverre Undnæs | Director | 1975 | 1 | |
| Undlien, Liv Tone | Liv Tone Undlien | Actor | 1998 | 2 | |
| Undisz, Sebastian | Sebastian Undisz | Actor, Composer | 2009 - 2011 | 16 | |
| Underwood, Kristen | Kristen Underwood | Actor, Director | 1999 - 2001 | 4 | |
| Underwood, Jill | Jill Underwood | Actor | 2002 - 2008 | 7 | 1 |
| Underland, Niels Peter | Niels Peter Underland | Director | 2012 - 2015 | 3 | |
| Underferth, Jason | Jason Underferth | Director, Lighting Designer, Producer | 2004 - 2012 | 32 | |
| Underbakke, Ryan | Ryan Underbakke | Actor | 2003 | 1 | |
| Under, Tunca | Tunca Under | Actor | 2010 | 1 | |
| Under, Marie | Marie Under | Translator | 1978 - 1997 | 2 | |
| Unda, Emilia | Emilia Unda | Actor | 1908 - 1914 | 10 | |
| Unamba, Uzoamaka | Uzoamaka Unamba | Actor | 2012 | 1 | |
| Umseher, Rodrigo | Rodrigo Umseher | Actor | 2023 | 7 | |
| Umpelva, Galina, Nikolaevna | Galina Nikolaevna Umpelva | Actor | 1979 | 1 | |
| Umminger, Willy | Willy Umminger | Actor, Director | 1919 - 1931 | 5 | |
| Umlauf, Brigitte | Brigitte Umlauf | Actor | 1971 | 1 | |
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