| Jacobson-Sive, Emma | Emma Jacobson-Sive | Actor | 1998 | 1 | |
| Jan, Emily | Emily Jan | Designer | 1998 | 1 | |
| Jamal, Camil | Camil Jamal | Actor | 1998 | 1 | |
| Just, Thomas | Thomas Just | Actor | 1998 | 1 | |
| Jablanovec, Bojan | Bojan Jablanovec | Designer, Director | 1998 | 2 | |
| Jelova, Jelena | Jelena Jelova | Actor | 1998 | 1 | 1 |
| Jelanskaja, Jekaterina | Jekaterina Jelanskaja | Director | 1998 | 1 | 1 |
| James, Peter Francis | Peter Francis James | Actor | 1998 | 1 | 1 |
| Jónsdóttir, Pálína | Pálína Jónsdóttir | Actor | 1998 | 1 | |
| Jóhannesdóttir, Halla Margrét | Halla Margrét Jóhannesdóttir | Actor | 1998 | 1 | |
| Jiménez, Juani | Juani Jiménez | Actor | 1998 | 1 | |
| Jiménez, Ramón | Ramón Jiménez | Actor | 1998 | 1 | |
| Jiménez, Jesús | Jesús Jiménez | Actor | 1998 | 1 | |
| Jensen, Sten | Sten Jensen | Designer, Lighting Designer | 1998 - 1999 | 6 | 1 |
| Jiménez, José | José Jiménez | Lighting Designer | 1998 - 2002 | 4 | |
| Jacobsen, Lars | Lars Jacobsen | Actor | 1998 - 2004 | 3 | |
| Jansen, Vilde Sparre | Vilde Sparre Jansen | Actor, Choreographer | 1998 - 2005 | 4 | |
| Juping, Zhang | Zhang Juping | Actor | 1998 - 2006 | 4 | 3 |
| Jonassen, Roy Lie | Roy Lie Jonassen | Director | 1998 - 2006 | 2 | |
| Jurgensen, Leif | Leif Jurgensen | Actor | 1998 - 2010 | 2 | |
| Junge, Stephanie | Stephanie Junge | Dramaturg | 1998 - 2013 | 3 | |
| Jurglanis, Marla | Marla Jurglanis | Costume Designer | 1998 - 2014 | 2 | |
| Jurc, Vladimir | Vladimir Jurc | Actor | 1998 - 2015 | 5 | |
| Jerméus, Johanna | Johanna Jerméus | Costume Designer, Designer | 1999 | 2 | |
| Jedľovský, Vladimír | Vladimír Jedľovský | Actor | 1999 | 1 | |
| Jurewicz, Jan | Jan Jurewicz | Actor | 1999 | 1 | |
| Jannicke, Manfred | Manfred Jannicke | Actor | 1999 | 1 | |
| Justice, Catherine | Catherine Justice | Actor | 1999 | 1 | |
| Jackson, Jon P. | Jon P. Jackson | Actor | 1999 | 3 | |
| Jared, Robert | Robert Jared | Lighting Designer | 1999 | 1 | |
| Jaquiery, Kirsten | Kirsten Jaquiery | Actor | 1999 | 1 | |
| Jakobsen, Ole | Ole Jakobsen | Actor | 1999 | 1 | |
| Jacob, Sophie | Sophie Jacob | Designer | 1999 | 1 | |
| Johnston, Bryan | Bryan Johnston | Actor | 1999 | 5 | |
| Jansrud, Guro | Guro Jansrud | Actor | 1999 - 2000 | 4 | |
| Jansen, Eirin Hallangen | Eirin Hallangen Jansen | Actor | 1999 - 2000 | 5 | |
| Jacobson, Ned | Ned Jacobson | Sound Designer | 1999 - 2000 | 2 | |
| Jones, Christine | Christine Jones | Designer | 1999 - 2002 | 2 | |
| Jefferies, Annalee | Annalee Jefferies | Actor | 1999 - 2003 | 2 | 1 |
| Jeffries, Jim | Jim Jeffries | Actor | 2000 | 1 | |
| Jacobson, Talia | Talia Jacobson | Actor | 2000 | 1 | |
| Jensæg, Bjørn | Bjørn Jensæg | Actor | 2000 | 1 | |
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