| Lyckow, Fillie | Fillie Lyckow | Actor | 2003 | 4 | |
| Leong, Terry | Terry Leong | Costume Designer | 2001 | 1 | |
| Lietz, Claudia | Claudia Lietz | Actor | 2003 | 1 | |
| Lang, Tim | Tim Lang | Actor | 2003 | 1 | |
| Lübbe, Enrico | Enrico Lübbe | Director | 2003 | 1 | |
| Löken, Ida | Ida Löken | Actor | 2000 - 2001 | 7 | |
| Lindner, Karl | Karl Lindner | Composer, Lighting Designer | 2003 | 2 | |
| Loureiro, Rita | Rita Loureiro | Actor | 2015 | 1 | |
| Livingstone, Sidney | Sidney Livingstone | Actor | 2003 | 4 | |
| Labancz, Borbála | Borbála Labancz | Actor | 1976 | 1 | |
| Lynn Hladky, Elizabeth | Elizabeth Lynn Hladky | Actor | 2003 | 1 | |
| Lowe, Rebecca | Rebecca Lowe | Actor | 2001 | 7 | |
| Lykken, Gwen | Gwen Lykken | Actor | 2003 | 1 | |
| Larson, Robert | Robert Larson | Director | 2003 | 1 | |
| Le Dantec, Jean-Guillaume | Jean-Guillaume Le Dantec | Actor | 2003 - 2004 | 4 | |
| Le Glanic, Arnaud | Arnaud Le Glanic | Actor | 2003 - 2004 | 4 | |
| Lamm, Teri | Teri Lamm | Actor | 2003 | 1 | |
| Leonard, John | John Leonard | Sound Designer | 2003 - 2016 | 9 | |
| Logan, John | John Logan | Adaptation | 2003 | 4 | |
| Lang, Rudolf | Rudolf Lang | Actor | 1989 - 2013 | 4 | |
| Li Calzi, Giorgio | Giorgio Li Calzi | Composer | 2001 | 2 | |
| Leijtens, Joris | Joris Leijtens | Actor | 2003 | 1 | |
| Latta, Erika | Erika Latta | Actor | 2003 | 1 | |
| Lopez, Mariangela | Mariangela Lopez | Actor | 2003 | 1 | |
| Lénárt, László | László Lénárt | Actor | 1999 | 1 | |
| Lopez-Morillas, Julian | Julian Lopez-Morillas | Actor | 2001 - 2006 | 2 | |
| Lemešonok, Vladimir | Vladimir Lemešonok | Actor | 2001 | 1 | |
| Levčenko, V. | V. Levčenko | Actor | 2001 | 1 | |
| Langhammer, Sidney | Sidney Langhammer | Actor | 2001 | 1 | |
| Lentz, Frank | Frank Lentz | Actor | 2001 | 1 | |
| Lubrich, Marina | Marina Lubrich | Actor | 2003 | 2 | |
| Legat, Jeremy | Jeremy Legat | Actor | 2003 | 1 | |
| Lawrence, Leandra | Leandra Lawrence | Actor | 2003 | 1 | |
| Leon, Philippa | Philippa Leon | Actor | 2003 | 2 | |
| Lewin, Francisca | Francisca Lewin | Actor | 2003 | 1 | |
| Láng, Annamária | Annamária Láng | Actor | 2005 - 2016 | 51 | |
| La Gioia, John | John La Gioia | Actor | 2003 | 1 | |
| Lorenz, Katharina | Katharina Lorenz | Actor, Costume Designer, Designer | 2003 - 2010 | 12 | |
| Létai, Gabriella, Kiss | Gabriella Kiss Létai | Actor | 2007 | 2 | |
| Lothigius, Jan | Jan Lothigius | Actor | 2003 | 2 | |
| Lektorp, Göran | Göran Lektorp | Actor | 2003 | 2 | |
| Losonczi, Katalin | Katalin Losonczi | Actor | 2007 | 3 | |
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