| Jarszewska, Wanda, | Wanda Jarszewska | Actor | 1910 - 1919 | 5 | |
| Johansson, Carina M., | Carina M. Johansson (Carina M. Johansson) | Actor | 1990 | 1 | |
| Johansen, Tore, | Tore Johansen | Actor | 1990 - 1992 | 2 | |
| Jacobsen, Pia, | Pia Jacobsen | Actor | 1990 | 1 | |
| Johnsen, Kai, | Kai Johnsen | Adaptation, Director, Dramaturg, Lighting Designer | 1990 - 2016 | 16 | |
| Jansrud, Ida, | Ida Jansrud | Actor | 1990 - 2000 | 21 | |
| Jansen, Per, | Per Jansen | Actor | 1969 - 2004 | 58 | |
| Johnsen, Asbjørn, | Asbjørn Johnsen | Lighting Designer | 1983 - 1991 | 4 | |
| Jacobsen, Arne, | Arne Jacobsen | Actor | 1961 - 2004 | 16 | |
| Jacobsen, Ansgar, | Ansgar Jacobsen | Actor | 1946 | 1 | |
| Jacobsen, Astri, | Astri Jacobsen | Actor | 1959 | 1 | |
| Jacobsen, Mona, | Mona Jacobsen | Actor | 1973 - 2009 | 7 | |
| Jacobsen, Leif, | Leif Jacobsen | Actor | 1971 - 1981 | 3 | |
| Johansen, Wenche, | Wenche Johansen | Mask Maker | 1986 | 1 | |
| Joner, Johannes, | Johannes Joner | Actor | 1986 - 2019 | 7 | |
| Joh, Haruhiko, | Haruhiko Joh | Actor | 1994 | 3 | |
| Jørgensen, Ingrid, | Ingrid Jørgensen | Actor | 1992 - 2018 | 33 | |
| Jaastad, Marit, | Marit Jaastad | Actor | 1992 - 2001 | 5 | |
| Jenseg, Gorm, | Gorm Jenseg | Actor | 1989 - 1992 | 2 | |
| Johannessen, Trine Falch, | Trine Falch Johannessen | Actor | 1990 - 1999 | 37 | |
| Jordal, Helge, | Helge Jordal | Actor | 1986 - 2013 | 36 | |
| Johannessen, Bendik Ø., | Bendik Ø. Johannessen (Bendik Ø. Johannessen) | Actor | 1993 - 2003 | 4 | |
| Jansen, Gustav H., | Gustav H. Jansen (Gustav H. Jansen) | Actor | 1993 | 2 | |
| Johnsen, Tone, | Tone Johnsen | Actor | 1993 | 1 | |
| Jansen, Ine Finholt, | Ine Finholt Jansen | Actor | 1994 - 2020 | 9 | |
| Jonassen, Martin Brage, | Martin Brage Jonassen | Actor | 1994 | 3 | |
| Jenseg , Gorm, | Gorm Jenseg | Director | 1994 | 1 | |
| Janáček, Leoš, | Leoš Janáček | Composer | 1994 - 1996 | 3 | |
| Joner, Kristoffer, | Kristoffer Joner | Actor | 1994 | 1 | |
| Jøntvedt, Jørn, | Jørn Jøntvedt | Designer | 1995 - 1996 | 2 | |
| Johansen, Silje, | Silje Johansen | Actor | 1995 | 1 | |
| Jensen, Vidar Røis, | Vidar Røis Jensen | Actor | 1995 | 1 | |
| Johnsen, Bjarne R., | Bjarne R. Johnsen (Bjarne R. Johnsen) | Actor | 1996 - 2013 | 3 | |
| Jandl, Peter, | Peter Jandl | Actor | 1996 | 1 | |
| Jacobsen, Mette, | Mette Jacobsen | Costume Designer, Designer | 1997 - 2013 | 76 | |
| Jacobsen, Lars, | Lars Jacobsen | Actor | 1998 - 2004 | 3 | |
| Jansen, Vilde Sparre, | Vilde Sparre Jansen | Actor, Choreographer | 1998 - 2005 | 4 | |
| Jostad, Morten, | Morten Jostad | Adaptation, Director | 1998 | 2 | |
| Jensen, Sten, | Sten Jensen | Designer, Lighting Designer | 1998 - 1999 | 6 | |
| Jonassen, Roy Lie, | Roy Lie Jonassen | Director | 1998 - 2006 | 2 | |
| Jansrud, Guro, | Guro Jansrud | Actor | 1999 - 2000 | 4 | |
| Jansen, Eirin Hallangen, | Eirin Hallangen Jansen | Actor | 1999 - 2000 | 5 | |
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