| Lange-Nielsen, Nicolay | Nicolay Lange-Nielsen (Nicolay Lange-Nielsen) | Actor | 1993 - 1996 | 35 | |
| Laursen, Erik | Erik Laursen | Mask Maker | 1985 - 1987 | 35 | |
| Lemoine, Julien | Julien Lemoine | Actor, Musician | 2014 - 2015 | 36 | |
| Lindström, Rickard | Rickard Lindström | Actor | 1936 | 36 | |
| Landin, Per Ola | Per Ola Landin | Musician | 2020 | 36 | |
| Lindgren, Tormod | Tormod Lindgren (Tormod Lindgren) | Costume Designer, Designer | 2002 - 2020 | 38 | 4 |
| Lekang, Per | Per Lekang (Per Lekang) | Costume Designer | 1963 - 1986 | 40 | |
| Lemmeke, Ole | Ole Lemmeke | Actor | 1988 - 2009 | 40 | 2 |
| Langer, Eva-Christina | Eva-Christina Langer | Actor | 2001 - 2003 | 40 | |
| Lavrysen, Dirk | Dirk Lavrysen (Dirk Lavrysen) | Actor | 1989 - 2001 | 41 | |
| Loriquet, François | François Loriquet (François Loriquet) | Actor | 2008 - 2014 | 41 | |
| Lindberg, Augusta | Augusta Lindberg (Augusta Lindberg) | Actor | 1890 - 1913 | 42 | 1 |
| Lindberg, Terje | Terje Lindberg (Terje Lindberg) | Adaptation, Dramaturg | 2003 - 2004 | 44 | 1 |
| Lund, Casper D. | Casper D. Lund (Casper D. Lund) | Actor | 2006 | 45 | |
| Lievi, Cesare | Cesare Lievi | Director, Translator | 1986 - 2002 | 45 | |
| Lein, Torbjørn | Torbjørn Lein | Actor | 1955 - 1958 | 45 | |
| Lohne, Helge | Helge Lohne (Helge Lohne) | Designer | 1997 - 2006 | 46 | |
| Lampkin, Agnes | Agnes Lampkin (Agnes Lampkin) | Actor | 2002 - 2009 | 47 | |
| Lund, Ragnhild Lavik | Ragnhild Lavik Lund (Ragnhild Lavik Lund) | Actor, Adaptation, Designer, Director | 1994 - 2014 | 47 | |
| Lindenberger, Alvise | Alvise Lindenberger | Actor | 2019 | 48 | |
| Lindroth, Knut | Knut Lindroth (Knut Lindroth) | Actor | 1885 - 1914 | 49 | |
| Leamon, Abby | Abby Leamon | Actor | 2011 | 50 | |
| Log, Marianne | Marianne Log (Marianne Log) | Mask Maker | 2009 - 2022 | 51 | |
| Lendorph, Torben | Torben Lendorph | Lighting Designer | 2002 - 2015 | 51 | |
| Láng, Annamária | Annamária Láng | Actor | 2005 - 2016 | 51 | |
| Longva, Fredrik | Fredrik Longva (Fredrik Longva) | Actor, Director | 2006 - 2022 | 53 | |
| Lunde, David | David Lunde (David Lunde) | Actor | 1897 - 1911 | 54 | |
| Løkkeberg, Pål | Pål Løkkeberg (Pål Løkkeberg) | Adaptation, Director, Translator | 1963 - 1999 | 55 | |
| Leira, Tobias | Tobias Leira (Tobias Leira) | Lighting Designer | 2006 - 2014 | 55 | |
| Lotherington, Martin Loïc | Martin Loïc Lotherington (Martin Loïc Lotherington) | Actor, Adaptation, Director | 1997 - 2018 | 56 | |
| Lewald, Liliom | Liliom Lewald | Actor | 2019 | 56 | |
| Langlie, Britt | Britt Langlie (Britt Langlie) | Actor | 1971 - 2015 | 58 | |
| Lehmann, Else | Else Lehmann (Else Lehmann) | Actor | 1894 - 1921 | 61 | 4 |
| Lindtner, Lasse | Lasse Lindtner (Lasse Lindtner) | Actor | 1991 - 2020 | 63 | 1 |
| Larssen, Tryggve | Tryggve Larssen (Tryggve Larssen) | Actor, Mask Maker | 1917 - 2006 | 64 | |
| Lindahl, Eva | Eva Lindahl (Eva Lindahl) | Actor | 1971 - 1990 | 66 | |
| Lund, Rolf Arly | Rolf Arly Lund (Rolf Arly Lund) | Actor | 1972 - 2009 | 67 | |
| Leite, Espen | Espen Leite (Espen Leite) | Actor, Composer | 2005 - 2006 | 70 | |
| Lillo-Stenberg, Per | Per Lillo-Stenberg (Per Lillo-Stenberg) | Actor | 1959 - 1975 | 71 | |
| Le Berre, Aline | Aline Le Berre | Actor | 2004 - 2005 | 72 | |
| Larsen, Henrik | Henrik Larsen | Actor | 2002 - 2004 | 75 | |
| Lindtberg, Bettina | Bettina Lindtberg | Actor | 1980 | 75 | |
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