| Lock-Hansen, Steen | Steen Lock-Hansen | Costume Designer, Designer | 2003 | 2 | 1 |
| Loye, James | James Loye | Actor | 2003 | 7 | 1 |
| Lutsepp, Ain | Ain Lutsepp | Actor | 1989 - 2003 | 2 | 1 |
| Lind, Karin | Karin Lind | Costume Designer, Designer | 2003 | 9 | 1 |
| Ladányi, Ferenc | Ferenc Ladányi | Actor | 1944 - 1958 | 3 | 1 |
| Lundin, Johan | Johan Lundin | Actor | 2003 - 2004 | 8 | 1 |
| Lindh, Irene | Irene Lindh | Actor | 2003 - 2024 | 5 | 1 |
| Löfgren, Franciska | Franciska Löfgren | Actor | 2003 | 4 | 1 |
| Lyckow, Fillie | Fillie Lyckow | Actor | 2003 | 4 | 1 |
| Labancz, Borbála | Borbála Labancz | Actor | 1976 | 1 | 1 |
| Logan, John | John Logan | Adaptation | 2003 | 4 | 1 |
| Lemešonok, Vladimir | Vladimir Lemešonok | Actor | 2001 | 1 | 1 |
| Lawrence, Leandra | Leandra Lawrence | Actor | 2003 | 1 | 1 |
| Láng, Annamária | Annamária Láng | Actor | 2005 - 2016 | 51 | 1 |
| Lorenz, Katharina | Katharina Lorenz | Actor, Costume Designer, Designer | 2003 - 2010 | 12 | 1 |
| Lescault, John | John Lescault | Actor | 2003 | 1 | 1 |
| Lavička, Vojtěch | Vojtěch Lavička | Actor | 2013 | 3 | 1 |
| Lokajová, Ivana | Ivana Lokajová | Actor | 2005 - 2013 | 8 | 1 |
| Lennartsson, Kjell | Kjell Lennartsson | Actor | 2003 | 1 | 1 |
| L. Stephenson, Nan | Nan L. Stephenson | Actor | 2003 | 1 | 1 |
| Lonsky, Johanna | Johanna Lonsky | Actor | 2004 | 1 | 1 |
| Lerchbaumer, Paul | Paul Lerchbaumer | Designer | 2004 - 2008 | 2 | 1 |
| Ljungdahl, Laura | Laura Ljungdahl | Actor | 2004 | 1 | 1 |
| Logojdová, Marie | Marie Logojdová | Actor | 2008 | 1 | 1 |
| Lahdenperä, Sidi | Sidi Lahdenperä | Actor | 2004 | 2 | 1 |
| Løveid, Cecilie | Cecilie Løveid | Translator | 2004 - 2005 | 3 | 1 |
| Ley, Katharina | Katharina Ley | Actor | 2004 - 2006 | 10 | 1 |
| Lakmaker, Jenny | Jenny Lakmaker | Actor | 2004 | 1 | 1 |
| Lindqvist, Johan | Johan Lindqvist | Actor | 2004 | 1 | 1 |
| Lindh, Hilda | Hilda Lindh | Actor | 2004 | 1 | 1 |
| Larsson, Julia | Julia Larsson | Actor | 2004 | 1 | 1 |
| Lyford, Trey | Trey Lyford | Actor | 2015 - 2017 | 3 | 1 |
| Loo, Raine | Raine Loo | Actor | 2004 | 1 | 1 |
| Lumiste, Jüri | Jüri Lumiste | Actor | 2004 | 1 | 1 |
| Lochte, Julia | Julia Lochte | Adaptation, Dramaturg | 2000 - 2005 | 4 | 1 |
| Lacascade, Eric | Eric Lacascade | Adaptation, Director | 2005 | 10 | 1 |
| Lamb, Sarah | Sarah Lamb | Actor | 2005 | 1 | 1 |
| Lund, Mark | Mark Lund | Designer, Sound Designer | 2005 | 2 | 1 |
| Lowe, Sonja | Sonja Lowe | Dramaturg | 2005 | 1 | 1 |
| Labancz, Clara | Clara Labancz | Designer | 2005 | 1 | 1 |
| Lázničková, Jarmila | Jarmila Lázničková | Actor | 1955 - 1956 | 2 | 1 |
| Lange, Dirk | Dirk Lange | Actor | 2005 - 2007 | 5 | 1 |
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