| Jumbo, Cush | Cush Jumbo | Actor | 2013 | 1 | 1 |
| Jørgensen, Bodil | Bodil Jørgensen | Actor | 2013 | 1 | 1 |
| Jaffer, Melissa | Melissa Jaffer | Actor | 1986 | 1 | 1 |
| Japelj, Marko | Marko Japelj | Designer, Set Designer | 1986 - 2025 | 10 | 1 |
| Jackson, Robert | Robert Jackson | Actor | 1970 | 1 | 1 |
| Jacobsen, Torild | Torild Jacobsen | Actor | 1980 - 1988 | 3 | 1 |
| Jones, Freddie | Freddie Jones | Actor | 1987 | 1 | 1 |
| Jennings, Byron | Byron Jennings | Actor | 1990 - 1999 | 2 | 1 |
| Johnson, Bjørn | Bjørn Johnson | Actor | 1990 | 1 | 1 |
| Jörnfalk, Åke | Åke Jörnfalk | Actor | 1957 - 1984 | 3 | 1 |
| Jarke, Stefani | Stefani Jarke | Actor | 1990 - 2004 | 4 | 1 |
| Jordan, Joe | Joe Jordan | Actor, Director | 1991 - 2003 | 2 | 1 |
| Javorková, Anna | Anna Javorková | Actor | 1990 - 2003 | 2 | 1 |
| Jeffries, Lionel | Lionel Jeffries | Actor | 1990 | 1 | 1 |
| Jennings, Alex | Alex Jennings | Actor | 1990 - 1995 | 4 | 1 |
| Jacobsen, Tom | Tom Jacobsen | Actor | 1991 | 1 | 1 |
| Jahnberg, Håkan | Håkan Jahnberg | Actor | 1943 - 1997 | 7 | 1 |
| Johannesen, Lars | Lars Johannesen | Adaptation, Translator | 1988 | 2 | 1 |
| James, Tony | Tony James | Adaptation, Director | 1989 | 2 | 1 |
| Jesih, Milan | Milan Jesih | Translator | 1991 - 2015 | 3 | 1 |
| Jensen, Gunilla | Gunilla Jensen | Adaptation | 1989 - 1993 | 2 | 1 |
| Jacobi, Derek | Derek Jacobi | Actor | 1964 - 1983 | 5 | 1 |
| Johansson, Stefan | Stefan Johansson | Composer | 2014 - 2015 | 44 | 1 |
| Juell, Jarl | Jarl Juell | Actor | 1980 | 1 | 1 |
| Jones, Gemma | Gemma Jones | Actor | 1995 - 1996 | 5 | 1 |
| Jolivet, Marc | Marc Jolivet | Actor | 1995 | 1 | 1 |
| Jamet, Nicole | Nicole Jamet | Actor | 1995 | 1 | 1 |
| Jacobsen, Detlef | Detlef Jacobsen | Actor, Director, Translator | 1968 - 2004 | 4 | 1 |
| Jackson, Sean | Sean Jackson | Actor | 2005 | 2 | 1 |
| Johnson, Effie | Effie Johnson | Actor | 1997 | 1 | 1 |
| Jackson, H. Lionel | H. Lionel Jackson | Director | 1969 | 1 | 1 |
| Jansen, Yves | Yves Jansen | Director, Translator | 1997 - 2018 | 3 | 1 |
| Jones, Howard, C. | Howard C. Jones | Designer | 2004 - 2009 | 2 | 1 |
| John, Matthew | Matthew John | Director | 2016 | 1 | 1 |
| Jellicoe, Ann | Ann Jellicoe | Adaptation, Translator | 1959 - 1965 | 8 | 1 |
| Jones, David | David Jones | Actor | 2001 - 2002 | 2 | 1 |
| Jeannin, Marcel | Marcel Jeannin | Actor | 2002 - 2007 | 2 | 1 |
| Jory, Stephanie | Stephanie Jory | Actor | 2002 - 2013 | 4 | 1 |
| Jander, Andreas | Andreas Jander | Designer, Lighting Designer | 2002 - 2006 | 4 | 1 |
| Jeremias, Bianca Imelda | Bianca Imelda Jeremias | Costume Designer | 2012 - 2022 | 10 | 1 |
| Jenshus, Gunnar | Gunnar Jenshus | Translator | 1989 - 1999 | 3 | 1 |
| Johnston, Sue | Sue Johnston | Actor | 2003 | 4 | 1 |
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