| Jankowski, Janice | Janice Jankowski | Actor | 2001 | 1 | |
| Johnson, Ruth | Ruth Johnson | Actor | 2003 | 1 | |
| Johnsen, Tara, Færø | Tara Færø Johnsen | Actor | 2015 | 3 | |
| Janrud, Ida | Ida Janrud | Actor | 1989 | 1 | |
| Jones, Amy | Amy Jones | Actor | 2003 | 1 | |
| Jahangirov, İlgar | İlgar Jahangirov | Actor | 2003 | 1 | |
| Johnston, Bill | Bill Johnston | Actor | 2001 | 9 | |
| Johnston, Sue | Sue Johnston | Actor | 2003 | 4 | 1 |
| Jámbor, Erzsébet | Erzsébet Jámbor | Actor | 1989 | 2 | |
| Jámpa, Krisztina | Krisztina Jámpa | Actor | 1989 | 1 | |
| Jefferies, Annalee | Annalee Jefferies | Actor | 1999 - 2003 | 2 | 1 |
| Jimenez, Bibiana | Bibiana Jimenez | Actor | 2003 | 6 | |
| Járó, Zsuzsa | Zsuzsa Járó | Actor | 2007 | 1 | |
| Jakab, Attila | Attila Jakab | Actor | 2007 | 1 | |
| Jozwik, Tom | Tom Jozwik | Actor | 2003 | 1 | |
| Jankovský, Jan | Jan Jankovský | Actor | 2011 | 1 | |
| Jung, Björn | Björn Jung | Actor | 2003 | 1 | |
| Jelínek, Václav | Václav Jelínek | Actor | 2010 - 2011 | 15 | 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 | |
| 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 | |
| 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 | |
| Juusti, Aapo | Aapo Juusti | Actor | 2004 | 1 | |
| Jones, Morgan | Morgan Jones | Actor | 2004 | 1 | |
| Jiménez, Ángel | Ángel Jiménez | Actor | 2004 | 2 | |
| Jürgens, Hanna | Hanna Jürgens | Actor | 2004 | 1 | |
| Janků, Veronika | Veronika Janků | Actor | 2007 - 2008 | 3 | |
| Javorský, Vladimír | Vladimír Javorský | Actor | 2006 | 1 | |
| Johansen, Noel | Noel Johansen | Actor | 2004 | 1 | |
| John, Thies | Thies John | Actor | 2004 | 1 | |
| Jakobi, Dominika | Dominika Jakobi | Actor | 2004 | 1 | |
| Jakubec, Pavol | Pavol Jakubec | Actor | 2006 | 1 | |
| Jirák, Ota | Ota Jirák | Actor | 2005 - 2007 | 12 | |
| Jandová, Klára | Klára Jandová | Actor | 2001 | 1 | |
| Jasuja, Ayushmaan | Ayushmaan Jasuja | Actor | 2005 - 2006 | 2 | |
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