| Lessard, Niall | Niall Lessard (Niall Lessard) | Actor | 1996 | 1 | |
| Lynch, Thomas | Thomas Lynch (Thomas Lynch) | Actor, Designer | 1960 - 1996 | 3 | |
| Le Henanff, Jean-Marc | Jean-Marc Le Henanff (Jean-Marc Le Henanff) | Actor | 2007 | 1 | |
| Lynch, Donel J. | Donel J. Lynch (Donel J. Lynch) | Actor | 1937 | 1 | |
| Landmark, Nora | Nora Landmark (Nora Landmark) | Actor | 1937 | 1 | |
| Le Borgne, Alexandre | Alexandre Le Borgne (Alexandre Le Borgne) | Actor | 1997 | 4 | |
| Lagrue, Philippe | Philippe Lagrue (Philippe Lagrue) | Lighting Designer | 2006 | 1 | |
| Leister, Frederick | Frederick Leister (Frederick Leister) | Actor | 1923 | 1 | |
| Lovell, Margaret Jean | Margaret Jean Lovell (Margaret Jean Lovell) | Actor | 1930 | 1 | |
| Leicester, Emilie | Emilie Leicester (Emilie Leicester) | Director | 1891 | 1 | |
| Limbach, Jörg | Jörg Limbach (Jörg Limbach) | Lighting Designer | 2004 - 2008 | 6 | |
| Lee, Liberty | Liberty Lee (Liberty Lee) | Actor | 1989 | 1 | |
| Lenneweit, H. W. | H. W. Lenneweit (H. W. Lenneweit) | Costume Designer, Designer | 1960 - 1979 | 5 | |
| Lewis, Stephanie | Stephanie Lewis (Stephanie Lewis) | Actor | 1971 | 1 | |
| Leatherman, Robby | Robby Leatherman (Robby Leatherman) | Actor | 1971 | 1 | |
| Lunday, Joe Dale | Joe Dale Lunday (Joe Dale Lunday) | Costume Designer | 1971 | 1 | |
| Leonard, H.V. | H. V. Leonard (H.V. Leonard) | Actor | 1926 | 2 | |
| Lee, Robert Tyler | Robert Tyler Lee (Robert Tyler Lee) | Designer | 1934 - 1935 | 5 | |
| Lamanna, Joseph | Joseph Lamanna (Joseph Lamanna) | Actor | 1983 | 1 | |
| Lloyd, Frederick | Frederick Lloyd (Frederick Lloyd) | Actor | 1905 - 1930 | 5 | |
| Lohner, Therese | Therese Lohner (Therese Lohner) | Actor | 2005 | 1 | |
| Lissner, Joanna | Joanna Lissner (Joanna Lissner) | Actor | 1978 | 1 | |
| Leśniewski, Janusz | Janusz Leśniewski (Janusz Leśniewski) | Actor | 1978 | 1 | |
| Lange, J.F. | J. F. Lange (J.F. Lange) | Actor | 1935 | 1 | |
| Lei, Cao | Cao Lei (Cao Lei) | Actor | 1962 | 1 | |
| Ling, Bai | Bai Ling (Bai Ling) | Actor | 1948 - 1956 | 2 | |
| Laitian, Wan | Wan Laitian (Wan Laitian) | Actor, Director | 1924 - 1935 | 3 | |
| Lacy, Asali | Asali Lacy (Asali Lacy) | Actor | 2007 | 1 | |
| Lee, Pit Jasper | Pit Jasper Lee (Pit Jasper Lee) | Actor | 2004 | 1 | |
| Lawlor, Diarmaid | Diarmaid Lawlor (Diarmaid Lawlor) | Actor | 1993 | 1 | |
| Loos, Josef | Josef Loos (Josef Loos) | Actor | 1891 - 1922 | 4 | |
| Lepori, Elia | Elia Lepori (Elia Lepori) | Actor | 2008 | 3 | |
| Leibovici, Leo | Leo Leibovici (Leo Leibovici) | Lighting Designer, Sound Designer | 1981 - 1983 | 11 | |
| Larken, Florinda | Florinda Larken (Florinda Larken) | Actor | 2000 | 1 | |
| Lima, Beatriz | Beatriz Lima (Beatriz Lima) | Actor | 2004 | 1 | |
| Lima, Gonçalo | Gonçalo Lima (Gonçalo Lima) | Actor | 2004 | 1 | |
| Lyons, Monica | Monica Lyons (Monica Lyons) | Actor | 1999 | 1 | |
| Lee, Liz | Liz Lee (Liz Lee) | Lighting Designer | 1997 - 2002 | 2 | |
| Languth, Thomas | Thomas Languth (Thomas Languth) | Lighting Designer | 1995 | 2 | |
| Liebsch, Alfred Oscar | Alfred Oscar Liebsch (Alfred Oscar Liebsch) | Actor | 1906 - 1913 | 3 | |
| Luck, Rowena | Rowena Luck (Rowena Luck) | Actor | 1993 | 1 | |
| Lorenz, - | - Lorenz (- Lorenz) | Actor | 1924 | 1 | |
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