| Name | Functions | Event Dates | Events | Resources  | ||
|---|---|---|---|---|---|---|
| Jacques Ullrich | Actor | 1997 | 1 | |||
| Fernando Ulivi | Sound Designer | 1997 | 1 | |||
| Joyce Uren | Actor | 1968 | 1 | |||
| Makoto Urabe | Costume Designer | 1968 | 1 | |||
| Đuro Utješanović | Actor | 1967 | 1 | |||
| Kurt Ullrich | Actor | 1967 | 2 | |||
| Dénes Ujlaki | Actor | 2013 | 1 | |||
| Míla Urbánková | Actor | 1966 | 1 | |||
| Veikko Uusimäki | Actor | 1952 - 1971 | 3 | |||
| Rainer Uhlig | Actor | 1966 | 2 | |||
| Erny Ullrich-Langguth | Actor | 1965 | 1 | |||
| Jana Ulrich | Actor | 2002 | 1 | |||
| Susanne Uhl | Costume Designer, Designer | 2002 - 2017 | 4 | |||
| Mikiko Uesugi | Designer | 1999 - 2002 | 2 | |||
| Ivan Urban | Actor | 2002 - 2004 | 2 | |||
| Tanasije Uzunović | Actor | 1975 - 2002 | 3 | |||
| Sebastian Ukena | Actor, Director | 2002 | 2 | |||
| Zoltán Urbán | Actor | 2002 | 1 | |||
| Ria Ulleri | Actor | 2003 | 4 | |||
| Miodrag Udovicic | Musical Director | 2003 | 1 | |||
| Kristen Underwood | Actor, Director | 1999 - 2001 | 4 | |||
| Victoria Uris | Choreographer | 2001 | 1 | |||
| Katariina Unt | Actor | 2014 | 1 | |||
| Brigitte Urhausen | Actor | 2003 | 1 | |||
| Pálma Unger | Actor | 1976 | 2 | |||
| Mattie Ullrich | Costume Designer | 2003 | 1 | |||
| Alvaro Armand Ugón | Actor | 2001 | 1 | |||
| o.blaat (Keiko) Uenishi | Sound Designer | 2003 | 1 | |||
| Dorottya Udvaros | Actor | 2012 | 1 | |||
| Ryan Underbakke | Actor | 2003 | 1 | |||
| Denis Ustalov | Actor | 2003 - 2005 | 2 | |||
| Dušan Urban | Actor | 2009 - 2012 | 7 | |||
| Jason Underferth | Director, Lighting Designer, Producer | 2004 - 2012 | 32 | |||
| Antoine Uitdehaag | Director | 2004 | 1 | |||
| Johanna Ullmann | Actor | 2004 | 1 | |||
| Anne Isabel Udbye | Actor | 2004 | 1 | |||
| Sardar Aftab Uddin | Actor, Designer | 2000 - 2004 | 7 | |||
| Jasim Uddin | Lighting Designer | 2004 | 1 | |||
| Alan Ukaj | Actor | 2013 - 2015 | 3 | |||
| Willy Utschik | Actor | 2005 | 1 | |||
| Sawanee Uthumma | Actor | 2005 | 5 | |||
| Yoshio Ueno | Actor | 2005 - 2013 | 14 | |||