| Lo, Gudbrand Wiig | Gudbrand Wiig Lo | Actor | 2012 - 2013 | 4 | |
| Lange/Ellingsen, Harald | Harald Lange/Ellingsen | Actor | 2012 | 1 | |
| Leon, Sonia | Sonia Leon | Actor | 2012 | 1 | |
| Leffler, David | David Leffler | Actor | 2012 | 1 | |
| Lindhjem, Henrik | Henrik Lindhjem | Actor | 2012 | 1 | |
| Lid, Ida Holthe | Ida Holthe Lid | Mask Maker, Puppet Designer | 2012 - 2015 | 3 | |
| Ly, Anne Hedevig | Anne Hedevig Ly | Actor | 2012 | 2 | |
| Lund, Kaja Glenne | Kaja Glenne Lund | Lighting Designer | 2010 - 2012 | 5 | |
| Lysdahl, Asgeir O. Kydland | Asgeir O. Kydland Lysdahl | Actor, Musician | 2013 | 2 | |
| Lysdahl, Signe E. Kydland | Signe E. Kydland Lysdahl | Actor | 2013 | 1 | |
| Larsen, Maja Bjerke | Maja Bjerke Larsen | Actor | 2013 | 1 | |
| Lønes, Tom Heggdal | Tom Heggdal Lønes | Actor | 2013 | 1 | |
| Leithaug, Marte | Marte Leithaug | Actor | 2013 | 1 | |
| Lian, Christoffer | Christoffer Lian | Lighting Designer | 2013 | 1 | |
| Larsen, Liv Engdal | Liv Engdal Larsen | Actor | 2013 | 1 | |
| Lindhjem, Sven Håkon | Sven Håkon Lindhjem | Musician | 2013 | 2 | |
| Landgraff, Sanne | Sanne Landgraff | Actor | 2013 | 1 | |
| Langset, Alexander | Alexander Langset | Actor | 2013 | 1 | |
| Ludwig, Elisabeth | Elisabeth Ludwig | Actor | 2013 | 1 | |
| Langødegard, Anita | Anita Langødegard | Dancer | 2013 | 1 | |
| Loddengaard, Stian | Stian Loddengaard | Actor | 2013 | 2 | |
| Løkeberg, Kristin Myrabø | Kristin Myrabø Løkeberg | Actor | 2013 | 1 | |
| Løkeberg, Stian Myrabø | Stian Myrabø Løkeberg | Actor | 2013 | 1 | |
| Limerick, Mona | Mona Limerick | Actor | 1911 | 1 | |
| Landau, Gustaw | Gustaw Landau | Designer | 1911 | 1 | |
| Llewelyn, Ned | Ned Llewelyn | Actor | 1911 | 1 | |
| Lizeti, Eleni | Eleni Lizeti | Actor | 1911 - 1912 | 2 | |
| Liarova, Ludmilla N. | Ludmilla N. Liarova | Actor | 1912 | 3 | |
| Liarov, Mattvei L. | Mattvei L. Liarov | Actor | 1912 | 2 | |
| Lenowiczówna, (?) | (?) Lenowiczówna | Actor | 1912 | 1 | |
| Leontos, Maria | Maria Leontos | Actor | 1912 | 1 | |
| Lyche, Borghild | Borghild Lyche | Actor | 1912 | 1 | |
| Leśniewska, Kazimiera | Kazimiera Leśniewska | Actor | 1913 | 1 | |
| Leitlands, Ādolfs | Ādolfs Leitlands | Actor | 1914 | 1 | |
| Lachmann, Fritz | Fritz Lachmann | Actor | 1914 | 1 | |
| Lundequist-Dahlstrøm, Fru | Fru Lundequist-Dahlstrøm | Actor | 1915 | 1 | |
| Larsen, Leif | Leif Larsen | Actor | 1916 - 1939 | 23 | |
| Lus, Tilly | Tilly Lus | Actor | 1913 - 1916 | 2 | |
| Leśniewski, Józef | Józef Leśniewski | Actor | 1917 | 8 | |
| Lortzing, Albert | Albert Lortzing | Composer | 1917 | 1 | |
| Lem, Per | Per Lem | Actor | 1917 - 1924 | 11 | |
| Le Feuvre, Guy | Guy Le Feuvre | Composer | 1917 | 1 | |
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