| Lutsepp, Ain | Ain Lutsepp | Actor | 1989 - 2003 | 2 | 1 |
| Loibl, Julia | Julia Loibl | Actor | 2004 - 2005 | 3 | 1 |
| Ledjajkina, Lidija | Lidija Ledjajkina | Actor | 2006 | 2 | 1 |
| Long, Alan | Alan Long | Actor | 2006 | 1 | 1 |
| Lackner, Thomas | Thomas Lackner | Actor | 2008 | 1 | 1 |
| Lhotzky, Alexander | Alexander Lhotzky | Actor | 2008 | 3 | 1 |
| Lindroos, Lotta | Lotta Lindroos | Actor | 2008 | 5 | 1 |
| Liebscher, Nils | Nils Liebscher | Actor | 2000 - 2009 | 2 | 1 |
| Lippert, Georg | Georg Lippert | Actor | 2010 | 11 | 1 |
| Laske, Frank | Frank Laske | Actor | 2010 | 1 | 1 |
| Leupelt, Hans-Werner | Hans-Werner Leupelt | Actor | 2009 - 2010 | 9 | 1 |
| Lucas, Eric | Eric Lucas | Actor | 2012 | 1 | 1 |
| Lainer, Mark | Mark Lainer | Actor | 2012 | 1 | 1 |
| Lane, Steven | Steven Lane | Actor | 2012 | 1 | 1 |
| Linke, Adrian | Adrian Linke | Actor | 2011 | 2 | 1 |
| Lambert, Steve | Steve Lambert | Actor | 2013 | 1 | 1 |
| Lid, Tore, Vagn | Tore Vagn Lid | Adaptation, Composer, Director, Playwright | 2019 | 4 | 1 |
| Lothar, Rudolph | Rudolph Lothar | | | | 1 |
| Lilleengen, Rebecca | Rebecca Lilleengen | Actor | 2010 | 1 | 1 |
| Lyngstad, Guro Størseth | Guro Størseth Lyngstad | Actor | 2010 | 1 | 1 |
| Leicht, Georg | Georg Leicht | | | | 1 |
| Lunde, Hege | Hege Lunde | | | | 1 |
| Liven, Torunn | Torunn Liven | | | | 1 |
| Lønnum, Erlend | Erlend Lønnum | | | | 1 |
| Leithoff, Eberhard | Eberhard Leithoff | Actor | 1944 | 1 | |
| López, Marga | Marga López | Actor | 1954 - 1956 | 2 | |
| Losey, Joseph | Joseph Losey | Director, Producer | 1973 | 2 | |
| Lien, Frode | Frode Lien | Actor | 1973 | 1 | |
| Lau, Alice | Alice Lau | Designer | 2002 | 1 | |
| Lockwood, Jennifer | Jennifer Lockwood | Director | 2001 | 1 | |
| Lucas, Paul, | Paul Lucas | Actor | 1937 - 1938 | 5 | |
| Lehotay, Árpád | Árpád Lehotay | Actor, Director | 1928 - 1944 | 8 | |
| Lenel, Tobias | Tobias Lenel | Adaptation, Director | 1994 - 2006 | 3 | |
| Ljubos, A. S., | A. S. Ljubos (A. S. Ljubos) | Actor | 1907 | 1 | |
| Lewis, Jessica | Jessica Lewis | Actor | 2005 | 1 | |
| Lindström, Bibi | Bibi Lindström | Costume Designer, Designer | 1970 | 2 | |
| Lundh-Noren, Brigitta | Brigitta Lundh-Noren | Mask Maker | 1970 | 1 | |
| Lindberg, Sven | Sven Lindberg | Actor | 1970 - 2000 | 4 | |
| Lewandowski, Marek | Marek Lewandowski | Designer | 1974 - 1977 | 3 | |
| Lipińska, Marta | Marta Lipińska | Actor | 1975 | 1 | |
| Lepschy, Christoph | Christoph Lepschy | Dramaturg | 2002 | 1 | |
| Lessing, Emil, | Emil Lessing | Actor, Director | 1888 - 1913 | 131 | |
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