| Lutz-Weicken, Annetraut | Annetraut Lutz-Weicken | Actor | 2010 - 2011 | 12 | |
| Langton, Andrew | Andrew Langton | Actor | 2010 | 1 | |
| Lagos, Juan Pablo | Juan Pablo Lagos | Actor | 2010 | 1 | |
| Linton, Kia | Kia Linton | Actor | 2010 | 2 | |
| Lutsock, Megan | Megan Lutsock | Actor | 2010 | 4 | |
| Lincicum, Shirley | Shirley Lincicum | Actor | 2010 | 2 | |
| Lucas, Daisy Jo | Daisy Jo Lucas | Actor | 2010 | 2 | |
| Lohnstein, Curt | Curt Lohnstein | Actor | 1905 | 1 | |
| Landgraf, York | York Landgraf | Costume Designer, Designer | 2009 - 2011 | 4 | |
| Le Vey, Zachary | Zachary Le Vey | Actor | 2010 | 1 | |
| Ludwig, Peter | Peter Ludwig | Composer | 2010 | 1 | |
| Luis, Marta, P. | Marta P. Luis | Actor | 2010 | 1 | |
| Lemos, Erna, de | Erna de Lemos | Actor | 1912 | 1 | |
| Laethem, Els Van | Els Van Laethem | Musician | 2009 | 16 | |
| Lane, Kate | Kate Lane | Costume Designer | 2009 | 1 | |
| Lloyd, Sabrina Ann | Sabrina Ann Lloyd | Director | 2010 | 1 | |
| Lewis, Mel | Mel Lewis | Composer | 2010 | 1 | |
| LeVasseur, Marc | Marc LeVasseur | Actor | 2009 - 2011 | 2 | |
| Lotspiech, Max | Max Lotspiech | Actor | 2010 | 1 | |
| Lymperopoulou, Popi | Popi Lymperopoulou | Actor | 2009 | 1 | |
| Lindstedt, Iida-Maaria | Iida-Maaria Lindstedt | Actor | 2009 | 2 | |
| Lubhana, Umesh | Umesh Lubhana | Dancer | 2009 | 1 | |
| Lindström, Bengt | Bengt Lindström | Actor | 1965 | 3 | |
| Loibner, Wilhelm | Wilhelm Loibner | Conductor | 1965 | 1 | |
| Lupton, Renate | Renate Lupton | Actor | 1965 | 1 | |
| Langer, Vilma | Vilma Langer | Actor | 1965 | 1 | |
| Lingen, Theo | Theo Lingen | Actor | 1952 - 1965 | 2 | |
| Looney, Rhea | Rhea Looney | Actor | 1965 | 1 | |
| Lemley, Ned | Ned Lemley | Actor | 1965 | 1 | |
| Lee Walters, Becky | Becky Lee Walters | Musician | 2015 - 2016 | 3 | |
| Litzinger, Hartmut | Hartmut Litzinger | Lighting Designer | 1998 - 2016 | 2 | |
| Leuenberger, Seraina | Seraina Leuenberger | Actor | 2015 | 1 | |
| Lobzien, Norina | Norina Lobzien | Director | 2016 | 1 | |
| Lenz, Miriam | Miriam Lenz | Director | 2016 | 1 | |
| Loosli, Jonathan | Jonathan Loosli | Actor | 2016 | 1 | |
| Lidor, Eldad | Eldad Lidor | Composer, Musical Director | 2010 - 2013 | 2 | |
| Lösche, Florian | Florian Lösche | Designer | 2010 - 2017 | 4 | |
| Ličen, Branko | Branko Ličen | Actor | 2010 - 2012 | 3 | |
| Lundy, Bruce | Bruce Lundy | Actor | 2011 | 1 | |
| LaFleur, Jorah | Jorah LaFleur | Actor | 2011 | 1 | |
| Liontos, Demetri | Demetri Liontos | Actor | 2011 | 1 | |
| Lambros, Sigrid | Sigrid Lambros | Actor | 2011 | 1 | |
|
|
