| Liška, Ladislav | Ladislav Liška | Actor | 1933 | 3 | |
| Ludwig, Hans | Hans Ludwig | Actor | 1932 | 1 | |
| Lhotzky, Adele | Adele Lhotzky | Actor | 1932 | 1 | |
| Lorenz, Lola | Lola Lorenz | Actor | 1932 | 1 | |
| Lindner, Maria | Maria Lindner | Actor | 2001 - 2004 | 4 | |
| Landlová, Mária | Mária Landlová | Actor | 1999 | 1 | |
| Lautier, Claire | Claire Lautier | Actor | 2001 | 1 | |
| Lackerschmid, Wolfgang | Wolfgang Lackerschmid | Composer | 2001 | 1 | |
| Lindqvist, Olof | Olof Lindqvist | Designer, Director | 2005 | 2 | |
| Lotass, Lotta | Lotta Lotass | Translator | 2005 | 1 | |
| Leittersdorf, Vincent | Vincent Leittersdorf | Actor | 1999 - 2006 | 9 | |
| Lindsley, Blake | Blake Lindsley | Actor | 2001 | 1 | |
| Lippard, Alex | Alex Lippard | Director | 2001 | 1 | |
| Lara, Aminta de | Aminta de Lara | Actor | 2001 - 2002 | 2 | |
| Lawrence, Marjie | Marjie Lawrence | Actor | 1989 | 1 | |
| Langley, Steff | Steff Langley | Sound Designer | 1989 | 1 | |
| Lipiec-Wróblewska, Agnieszka | Agnieszka Lipiec-Wróblewska | Adaptation, Director | 2009 - 2017 | 9 | |
| Lorenc, Michał | Michał Lorenc | Composer | 2009 - 2012 | 4 | |
| Lemström, Sue | Sue Lemström | Actor | 2001 | 2 | |
| Leonowicz, Wojciech | Wojciech Leonowicz | Actor | 2006 - 2007 | 3 | |
| Luczak, Robert | Robert Luczak | Composer | 2005 - 2007 | 2 | |
| Lang, Krzysztof | Krzysztof Lang | Adaptation, Director | 1999 | 2 | |
| Lasota, Czesław | Czesław Lasota | Actor | 1999 | 1 | |
| Lewandowski, Łukasz | Łukasz Lewandowski | Actor | 1999 | 1 | |
| Laurentowski, Zenon | Zenon Laurentowski | Actor | 1957 | 1 | |
| Loedl, Bolesław | Bolesław Loedl | Actor | 1957 | 1 | |
| Lubodziecka, Hanna | Hanna Lubodziecka | Actor | 1959 | 1 | |
| Lorenci, Daria | Daria Lorenci | Actor | 2014 | 1 | |
| Lazăr, Alexandru | Alexandru Lazăr | Actor, Assistant Director | 1972 | 5 | |
| Laretei, Käbi | Käbi Laretei | Musician | 2001 - 2003 | 2 | |
| Lupu, Vasile | Vasile Lupu | Actor | 1963 | 1 | |
| Landy, Ellie | Ellie Landy | Costume Designer | 2001 | 1 | |
| Lucian, Vasile | Vasile Lucian | Actor | 1963 | 1 | |
| Lohr, Paul | Paul Lohr | Director | 2001 | 1 | |
| Lică, Gherghinescu | Lică Gherghinescu | Actor | 1985 | 12 | |
| Lazăr, George | George Lazăr | Composer | 1985 | 1 | |
| Lászlóffy, Zsolt | Zsolt Lászlóffy | Composer | 2008 | 1 | |
| Leighton, John | John Leighton | Costume Designer | 2001 | 1 | |
| Landa, Edgar | Edgar Landa | Actor | 2001 | 1 | |
| Lovas, Zoltán | Zoltán Lovas | Actor | 1998 | 3 | |
| Linguraru, Vera | Vera Linguraru | Actor | 2009 | 1 | |
| Lissovskaia, Jana | Jana Lissovskaia | Actor | 2005 - 2009 | 4 | |
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