| 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 | |
| Junco, Pascual | Pascual Junco | Actor | 2005 | 1 | |
| Jiménez, Ana | Ana Jiménez | Actor | 2005 | 1 | |
| Jurásek, Josef | Josef Jurásek | Actor | 2000 | 3 | |
| Jícha, Robert | Robert Jícha | Actor | 2000 | 3 | |
| Janský, Karel | Karel Janský | Actor | 2000 | 1 | |
| Janžurová, Iva | Iva Janžurová | Actor | 1993 - 1998 | 2 | |
| Jelénková, Yvona | Yvona Jelénková | Actor | 1989 | 1 | |
| Jelínková, Vlasta | Vlasta Jelínková | Actor | 1989 | 2 | |
| Janská, Miluše | Miluše Janská | Actor | 1959 - 1965 | 2 | |
| Janšová, Eliška | Eliška Janšová | Actor | 1962 | 1 | |
| Jeřábek, Václav | Václav Jeřábek | Actor | 1960 | 1 | |
| Jurečka, Ladislav | Ladislav Jurečka | Actor | 1960 | 1 | |
| Jelínek, Zdenĕk | Zdenĕk Jelínek | Actor | 1960 | 1 | |
| Jakl, Jan | Jan Jakl | Actor | 1958 | 1 | |
| Jordt, Armin | Armin Jordt | Actor | 2005 | 1 | |
| Jumppanen, Anu | Anu Jumppanen | Actor | 2005 | 1 | |
| Jalonen, Juha | Juha Jalonen | Actor | 2005 | 3 | |
| Jacobs, Tanja | Tanja Jacobs | Actor | 2005 | 1 | |
| Jordánová, Vĕra | Vĕra Jordánová | Actor | 1955 | 1 | |
| Jayaweera, Sampath | Sampath Jayaweera | Actor | 2005 - 2006 | 2 | |
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