| Jaenecke, Gabriele | Gabriele Jaenecke | Designer | 1994 | 1 | |
| Janovská, Jana | Jana Janovská | Actor | 1960 - 1969 | 2 | |
| Jahoda, Miloš | Miloš Jahoda | Actor | 1969 | 1 | |
| Jarský, Jaroslav | Jaroslav Jarský | Actor | 1969 | 1 | |
| Jaeger, Ellen | Ellen Jaeger | Lighting Designer | 2005 - 2022 | 3 | |
| Jurgensen, Leif | Leif Jurgensen | Actor | 1998 - 2010 | 2 | |
| Jurglanis, Marla | Marla Jurglanis | Costume Designer | 1998 - 2014 | 2 | |
| Jacobi, Angela | Angela Jacobi | Actor | 1998 | 1 | |
| Jakus, Mariusz | Mariusz Jakus | Actor | 1998 | 1 | |
| Jarnuszkiewicz, Marcin | Marcin Jarnuszkiewicz | Adaptation, Composer, Director | 1998 | 3 | |
| Jarnuszkiewicz, Katarzyna | Katarzyna Jarnuszkiewicz | Designer | 1998 | 1 | |
| Jonsson, Per, A. | Per A. Jonsson | Costume Designer, Designer | 1978 - 1996 | 27 | |
| Juhász, József | József Juhász | Actor | 1931 - 1969 | 3 | |
| Jörissen, Rainer | Rainer Jörissen | Composer | 1997 - 2007 | 4 | |
| Jodorowsky, Brontis | Brontis Jodorowsky | Actor | 2014 | 6 | |
| Jayr, Dominique | Dominique Jayr | Actor | 2014 | 6 | |
| Joyce, Angela | Angela Joyce | Mask Maker | 1997 - 2000 | 52 | |
| Jimenez, Lydia | Lydia Jimenez | Actor | 2014 | 1 | |
| Jung, Florian | Florian Jung | Lighting Designer, Sound Designer | 2014 | 2 | |
| Jardim, Joel | Joel Jardim | Sound Designer | 1969 | 2 | |
| Jánosa, Lajos | Lajos Jánosa | Designer | 1969 | 1 | |
| Jääskeläinen, Nina | Nina Jääskeläinen | Actor | 1997 | 1 | |
| Jamplis, Elizabeth | Elizabeth Jamplis | Actor | 1971 | 1 | |
| Jarocki, Kazimierz | Kazimierz Jarocki | Actor | 1968 | 1 | |
| Jeronimo, Bob | Bob Jeronimo | Designer | 1968 | 1 | |
| John, Karl | Karl John | Actor | 1968 | 1 | |
| Johnson, LeeEllen | LeeEllen Johnson | Actor | 2008 | 1 | |
| Johnson, Deborah | Deborah Johnson | Costume Designer, Director | 2008 | 2 | |
| Janisch, Silvia | Silvia Janisch | Actor | 1968 | 3 | |
| Jarausch, Helga | Helga Jarausch | Actor | 1968 | 1 | |
| Jedlièka, Václav | Václav Jedlièka | Composer | 2012 | 1 | |
| Jedlička, Václav | Václav Jedlička | Actor, Composer | 1968 - 2012 | 2 | |
| Jelínková, Eva | Eva Jelínková | Actor, Adaptation | 1968 - 2012 | 5 | |
| Jones, Rosemary | Rosemary Jones | Actor | 1968 | 1 | |
| Juul, Sissel | Sissel Juul | Actor | 1967 | 1 | |
| Johannessen, Kjell | Kjell Johannessen | Actor | 1967 | 1 | |
| Jurgensen, Michael | Michael Jurgensen | Actor | 2004 | 1 | |
| Jones, Anne | Anne Jones | Actor | 1967 | 1 | |
| Jewelinski, Teresa | Teresa Jewelinski | Actor | 2004 | 1 | |
| Jochum, Josef | Josef Jochum | Actor | 1966 - 1983 | 8 | |
| Jakobi, Hans | Hans Jakobi | Actor | 1966 - 1967 | 2 | |
| Jovaag, Jana | Jana Jovaag | Actor | 1967 | 1 | |
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