| Jongeling, Myranda | Myranda Jongeling | Actor | 2003 - 2008 | 48 | |
| Jacobs, Oliver | Oliver Jacobs | Actor | 1989 | 3 | |
| Johnson, Christina | Christina Johnson | Actor | 2003 - 2005 | 4 | |
| Jovtscheva, Zhanet | Zhanet Jovtscheva | Actor | 1997 | 1 | |
| Johnsen, Mia | Mia Johnsen | Actor | 2015 | 2 | |
| Jewell, Benjamin | Benjamin Jewell | Actor | 2003 | 1 | |
| Jenkins, Mark | Mark Jenkins | Lighting Designer | 2003 | 1 | |
| Jaschik, Álmos | Álmos Jaschik | Designer | 1941 | 1 | |
| Jassogne, Daniel | Daniel Jassogne | Costume Designer, Designer | 2003 | 4 | |
| Jankowski, Janice | Janice Jankowski | Actor | 2001 | 1 | |
| Johnson, Ruth | Ruth Johnson | Actor | 2003 | 1 | |
| Johnsen, Tara, Færø | Tara Færø Johnsen | Actor | 2015 | 3 | |
| Järvelin, Anna-Leena | Anna-Leena Järvelin | Dancer | 2001 | 1 | |
| Jööger, Toomas | Toomas Jööger | Dancer | 2001 | 1 | |
| Janrud, Ida | Ida Janrud | Actor | 1989 | 1 | |
| Jänes, Pille | Pille Jänes | Designer | 2014 | 1 | |
| Jones, Amy | Amy Jones | Actor | 2003 | 1 | |
| Jahangirov, İlgar | İlgar Jahangirov | Actor | 2003 | 1 | |
| Johnston, Bill | Bill Johnston | Actor | 2001 | 9 | |
| Jámbor, Erzsébet | Erzsébet Jámbor | Actor | 1989 | 2 | |
| Jámpa, Krisztina | Krisztina Jámpa | Actor | 1989 | 1 | |
| Jones, Roberto | Roberto Jones | Actor, Adaptation | 1980 - 2001 | 3 | |
| Jimenez, Bibiana | Bibiana Jimenez | Actor | 2003 | 6 | |
| Járó, Zsuzsa | Zsuzsa Járó | Actor | 2007 | 1 | |
| Jakab, Attila | Attila Jakab | Actor | 2007 | 1 | |
| Jakab, Melinda | Melinda Jakab | Choreographer | 2008 | 1 | |
| Jozwik, Tom | Tom Jozwik | Actor | 2003 | 1 | |
| Jankovský, Jan | Jan Jankovský | Actor | 2011 | 1 | |
| Jung, Björn | Björn Jung | Actor | 2003 | 1 | |
| Jeffrey Miller, Mark | Mark Jeffrey Miller | Actor | 2003 | 1 | |
| Jhung, Catherine | Catherine Jhung | Actor | 2003 | 1 | |
| Jeannelle, Olivier | Olivier Jeannelle | Actor | 2003 - 2005 | 5 | |
| Jóhannsson, Jóhann | Jóhann Jóhannsson | Composer | 2003 | 1 | |
| Johančík, Pavel | Pavel Johančík | Actor | 2009 - 2012 | 7 | |
| Junglas, Tobias | Tobias Junglas | Actor | 2004 | 1 | |
| Jurasz, Jaroslaw | Jaroslaw Jurasz | Actor | 2004 | 2 | |
| Janoušková, Eva | Eva Janoušková | Actor | 2004 | 1 | |
| Janáček, Zdeněk | Zdeněk Janáček | Dramaturg | 2008 | 1 | |
| Jantschew, Sarah-Michelle | Sarah-Michelle Jantschew | Actor | 2004 | 2 | |
| Jackenkroll, Michael | Michael Jackenkroll | Actor | 2004 | 1 | |
| Janečková, Petra | Petra Janečková | Actor | 2008 | 2 | |
| Janoušková, Jindra | Jindra Janoušková | Actor | 2000 - 2008 | 3 | |
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