| Joslyn, Betsy | Betsy Joslyn | Actor | 1982 | 1 | |
| Jossen, Marie-Therese | Marie-Therese Jossen | Costume Designer | 1990 | 1 | |
| Joyce, Rachel | Rachel Joyce | Actor | 1994 | 1 | |
| Joyner, Linda | Linda Joyner | Actor | 1963 | 1 | |
| Joyner, Louise | Louise Joyner | Actor | 1963 | 1 | |
| jr., Smeták | Smeták jr. | | | | |
| jr., Váchová | Váchová jr. | | | | |
| Juchtmans, Suzanne | Suzanne Juchtmans | Actor | 1966 - 1972 | 2 | |
| Jud, Robert | Robert Jud | Composer | 1977 | 1 | |
| Juel, Emma | Emma Juel | Actor | 1902 - 2006 | 26 | |
| Juhl, Lars | Lars Juhl | Costume Designer, Designer | 1973 - 2001 | 9 | |
| Jung, Lars | Lars Jung | Actor | 1993 - 2013 | 3 | |
| Jung, Simon | Simon Jung | Actor | 2005 | 1 | |
| Junker, Marja-Leena | Marja-Leena Junker | Director | 2000 - 2020 | 4 | |
| Jupither, Sofia | Sofia Jupither | Adaptation, Director | 2006 - 2019 | 14 | |
| Jurgens, Annie | Annie Jurgens | Actor | 1911 - 1918 | 2 | |
| Jürgo, Juhan | Juhan Jürgo | Actor | 1943 | 2 | |
| Jusi, Julia | Julia Jusi | Actor | 1995 | 1 | |
| Justa, Aleksandra | Aleksandra Justa | Actor | 2006 - 2009 | 7 | |
| Jíři Koldovský | Jíři Koldovský | Actor | 1928 - 1954 | 2 | |
| Jørgensen, - | - Jørgensen | Actor | 1871 | 1 | |
| Jørgensen, Julie Bredal | Julie Bredal Jørgensen | Actor | 1994 | 1 | |
| Johannessen, Ellen Birgitte | Ellen Birgitte Johannessen | Actor | 2000 - 2006 | 26 | |
| Jørstad, Eirik | Eirik Jørstad | Sound Designer | 2003 - 2004 | 22 | |
| Jorand, Thierry | Thierry Jorand | Actor | 2000 - 2004 | 2 | |
| Jeanmotte, Carine | Carine Jeanmotte | Actor | 1986 | 2 | |
| Joffre, Agnes | Agnes Joffre | Actor | 1986 | 2 | |
| Johannsen, Nicolay | Nicolay Johannsen | Actor | 1906 - 1908 | 9 | |
| Jenseg, Bjørn | Bjørn Jenseg | Actor | 1962 - 1987 | 19 | |
| Juul, Madeleine Røn | Madeleine Røn Juul | Director, Producer | 2002 | 2 | |
| J., Frederick | Frederick J. | Translator | 1988 | 1 | |
| Jirásek, Pavel | Pavel Jirásek | Director | 2005 | 1 | |
| J. Marker, Frederick | Frederick J. Marker | Director, Translator | 1972 - 2018 | 16 | |
| James Reed, Michael | Michael James Reed | Actor | 1993 | 1 | |
| Jansen, Mrs | Mrs Jansen | Actor | 1880 | 3 | |
| Jansen, Mr. | Mr. Jansen | Actor | 1880 | 3 | |
| Jørgensen, Julie A. | Julie A. Jørgensen | Actor | 2002 | 1 | |
| Jensen, Jan Harald | Jan Harald Jensen | Lighting Designer | 2006 - 2008 | 3 | |
| Jakowleva, Nico | Nico Jakowleva | Actor | 2002 | 1 | |
| Johannessen, Ola B. | Ola B. Johannessen | Actor, Adaptation, Director, Translator | 1962 - 2009 | 43 | |
| Jeppesen, Jørn | Jørn Jeppesen | Actor | 1948 - 2003 | 8 | |
| Jansson, Sven Olof | Sven Olof Jansson | Actor | 1993 - 2008 | 2 | |
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