| Levin, David | David Levin | Director | 2003 | 1 | |
| Ludovici, Jim | Jim Ludovici | Actor | 2001 | 1 | |
| Leavitt, David Ben | David Ben Leavitt | Director | 2001 | 1 | |
| Leavitt, Julie | Julie Leavitt | Producer | 2001 | 1 | |
| Lake, Julie | Julie Lake | Actor | 2003 - 2006 | 2 | |
| Lumiste, Ann | Ann Lumiste | Costume Designer | 2003 | 1 | |
| LeMee, Maurice | Maurice LeMee | Director | 2003 | 1 | |
| Langer, Eva-Christina | Eva-Christina Langer | Actor | 2001 - 2003 | 40 | |
| Lukács, Margit | Margit Lukács | Actor | 1941 | 1 | |
| Lyssewski, Dörte | Dörte Lyssewski | Actor | 2003 - 2004 | 3 | |
| Loïzidis, Loris | Loris Loïzidis | Actor | 2003 | 1 | |
| Lacombe, Philippe | Philippe Lacombe | Lighting Designer | 1999 - 2008 | 17 | |
| Lévêque, Guillaume | Guillaume Lévêque | Dramaturg | 2003 - 2004 | 5 | |
| Larroche, Jean-Pierre | Jean-Pierre Larroche | Designer | 2001 | 12 | |
| Lamotte, Kevin | Kevin Lamotte | Lighting Designer | 1989 - 2016 | 4 | |
| Lawrence, Walter | Walter Lawrence | Sound Designer | 1989 | 1 | |
| Lundgren, Gunnar | Gunnar Lundgren | Mask Maker | 2001 - 2011 | 2 | |
| Littig, John | John Littig | Composer, Sound Designer | 2000 - 2001 | 4 | |
| List, Wolfgang | Wolfgang List | Actor | 2003 | 2 | |
| Laurer, Christoph | Christoph Laurer | Actor | 2003 | 1 | |
| Lejtényi, Éva | Éva Lejtényi | Actor | 1958 | 1 | |
| Lenkey, Vali | Vali Lenkey | Actor | 1958 | 1 | |
| Lehofer, Isolde | Isolde Lehofer | Costume Designer | 2003 | 1 | |
| Lee, Tarashai | Tarashai Lee | Actor | 2001 | 2 | |
| 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 | |
| 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 | |
| Lang, Rudolf | Rudolf Lang | Actor | 1989 - 2013 | 4 | |
| Li Calzi, Giorgio | Giorgio Li Calzi | Composer | 2001 | 2 | |
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