| Lippits, Otto | Otto Lippits | Conductor | 1918 | 1 | |
| Lertas, Tasos | Tasos Lertas | Director, Translator | 2011 | 2 | |
| Laird, Robert | Robert Laird | Actor | 2011 | 1 | |
| Løvaas, Jon | Jon Løvaas | Designer | 2011 | 1 | |
| Layman, Terry | Terry Layman | Director | 2011 | 1 | |
| Lambert, Rachel | Rachel Lambert | Costume Designer | 2011 | 1 | |
| Lippold, Nicole | Nicole Lippold | Actor | 2011 - 2013 | 2 | |
| Lehmann, Johannes | Johannes Lehmann | Composer | 2011 - 2013 | 2 | |
| Leibinger, Franz | Franz Leibinger | Actor | 1898 | 1 | |
| Lapteş, Titus | Titus Lapteş | Actor | 1934 | 1 | |
| Ludwig, Maximilian | Maximilian Ludwig | Actor | 1889 - 1891 | 2 | |
| Liakopoulos, Christos | Christos Liakopoulos | Actor | 2012 | 1 | |
| Lockwood, Elise | Elise Lockwood | Costume Designer | 2011 | 1 | |
| Lessard, Rhianne | Rhianne Lessard | Actor | 2011 | 1 | |
| Larson, Ally | Ally Larson | Actor | 2011 | 1 | |
| Loghin, George Dem. | George Dem. Loghin | Director | 1945 - 1948 | 2 | |
| Lemnaru, Oscar | Oscar Lemnaru | Translator | 1948 | 1 | |
| Liniver-Gusty, Alexandrina | Alexandrina Liniver-Gusty | Actor | 1911 - 1923 | 2 | |
| Labovitz, Frank | Frank Labovitz | Costume Designer | 2013 | 1 | |
| Lancaster, Veronica, J. | Veronica J. Lancaster | Sound Designer | 2013 | 1 | |
| Lynch, Timothy, Hayes | Timothy Hayes Lynch | Actor | 2013 | 1 | |
| Larsen, Janice, Lancaster | Janice Lancaster Larsen | Actor | 2013 | 1 | |
| Lux, Régis | Régis Lux | Actor | 2013 - 2019 | 14 | |
| Lambrou, Nikolaos | Nikolaos Lambrou | Actor | 2013 | 1 | |
| Liakakos, Giannis | Giannis Liakakos | Actor | 1993 - 2013 | 4 | |
| Lage, Mikala, Bjarnov | Mikala Bjarnov Lage | Director | 2013 | 1 | |
| Lea, Sonja | Sonja Lea | Lighting Designer | 2013 | 1 | |
| Leßmeister, Anne | Anne Leßmeister | Actor | 2013 | 1 | |
| Lyttle, Missy | Missy Lyttle | Actor | 2013 | 1 | |
| Lincoln, Lizzie | Lizzie Lincoln | Actor | 2013 | 1 | |
| Lazarov, Konstantin | Konstantin Lazarov | Designer | 2013 | 1 | |
| Leitner, Kyle | Kyle Leitner | Sound Designer | 2013 | 1 | |
| Lewek, Kathryn | Kathryn Lewek | Actor | 2011 | 1 | |
| Lăzărescu, Vasile | Vasile Lăzărescu | Actor | 1943 - 1954 | 5 | |
| Lahiri, Arghya | Arghya Lahiri | Lighting Designer | 2016 - 2017 | 3 | |
| Laxmi, Vijaya | Vijaya Laxmi | Musician | 2016 - 2017 | 2 | |
| Lekstutytė, Eglė | Eglė Lekstutytė | Actor | 2011 | 1 | |
| Lacković, Strahinja | Strahinja Lacković | Actor | 2011 | 6 | |
| Laird, Katelyn | Katelyn Laird | Actor | 2013 | 1 | |
| Lasser-Gold, Alex | Alex Lasser-Gold | Actor | 2013 | 1 | |
| Levy, Rachel | Rachel Levy | Actor | 2013 | 1 | |
| Logan, Michael | Michael Logan | Actor | 2013 | 1 | |
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