| Lothar, Ralph | Ralph Lothar | Actor | 1939 | 1 | |
| Lothar, Rudolph | Rudolph Lothar | | | | 2 |
| Lothar, Susanne | Susanne Lothar | Actor | 1984 | 1 | 1 |
| Lotherington, Martin Loïc | Martin Loïc Lotherington | Actor, Adaptation, Director | 1997 - 2018 | 56 | |
| Löthgren, Eva | Eva Löthgren | Actor | 1996 | 1 | 1 |
| Lothigius, Jan | Jan Lothigius | Actor | 2003 | 2 | |
| Lothigius, Olof | Olof Lothigius | Actor | 2003 | 1 | |
| Lotman, Helena | Helena Lotman | Actor | 2022 | 1 | |
| Lotsof, Deborah, J. | Deborah J. Lotsof | Costume Designer | 1981 | 1 | |
| Lotspiech, Max | Max Lotspiech | Actor | 2010 | 1 | |
| Lott, Asta | Asta Lott | | | | |
| Lotti, Mr. | Mr. Lotti | Actor | 1894 - 1924 | 28 | |
| Lotti, Stina | Stina Lotti | Stage Manager | 2018 | 1 | |
| Lotz, Helmut | Helmut Lotz | Choreographer | 1943 | 1 | |
| Lotzmann, Barbara | Barbara Lotzmann | Actor | 1992 - 2003 | 8 | |
| Lotzmann, Gerald | Gerald Lotzmann | Actor | 2018 | 1 | |
| Lou, Qiuming | Qiuming Lou | Actor | 1983 | 1 | |
| Loubaton, Denis | Denis Loubaton | Actor | 1994 | 1 | |
| Loubier, Dagmar | Dagmar Loubier | Actor | 2009 - 2011 | 15 | |
| Loubière, Vincent | Vincent Loubière | Lighting Designer | 2023 - 2024 | 9 | |
| Louca, Samantha | Samantha Louca | Actor | 1979 | 1 | 1 |
| Loucká, Marie | Marie Loucká | Adaptation, Dramaturg | 1969 - 1990 | 2 | |
| Loudon, Jaki | Jaki Loudon | Actor | 2013 | 1 | |
| Lougear, Lin | Lin Lougear | Actor | 1972 - 2000 | 7 | |
| Loughlin, Lani | Lani Loughlin | Actor | 1991 - 1992 | 2 | |
| Loughran, Nathan | Nathan Loughran | Actor | 1993 | 1 | |
| Loughrey, Donna | Donna Loughrey | Actor | 1940 | 1 | |
| Loughton, Phyllis | Phyllis Loughton | Actor | 1929 | 1 | |
| Lougmani, Chaymae | Chaymae Lougmani | Costume Designer | 2014 | 1 | |
| Loui, Gorgo | Gorgo Loui | Actor | 1928 | 1 | |
| Louineau, Frédéric | Frédéric Louineau | Actor | 2012 - 2014 | 11 | |
| Louis, Éric | Éric Louis | Actor | 2010 - 2013 | 10 | |
| Louis, Loudovikos | Loudovikos Louis | Actor | 1906 - 1933 | 7 | |
| Louis, Maxime | Maxime Louis | Actor | 1996 - 1997 | 8 | |
| Louise, - | - Louise | Actor | 1906 - 1911 | 6 | |
| Loukia, Loukia | Loukia Loukia | Costume Designer | 1994 - 1995 | 2 | |
| Loukissa-Kyriakaki, Olympia | Olympia Loukissa-Kyriakaki | Musical Director | 1976 - 1979 | 3 | |
| Louman, Stefan | Stefan Louman | Actor | 1996 | 3 | |
| Lounsbery, Michael | Michael Lounsbery | Sound Designer | 2002 | 1 | |
| Loup, Guy | Guy Loup | Actor | 1963 | 1 | |
| Louras, Stavros | Stavros Louras | Actor | 2004 | 1 | |
| Lourba, Valendine | Valendine Lourba | Director | 2015 | 1 | |
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