| Liland, Trond | Trond Liland | Actor | 1989 | 1 | |
| Līkums, Herberts | Herberts Līkums | Designer | 1937 | 1 | |
| Lijanka, Stevan | Stevan Lijanka | Actor | 1903 | 1 | |
| Liivamägi, Rene | Rene Liivamägi | Lighting Designer | 2020 | 1 | |
| Liiri-Majava, Pirjo | Pirjo Liiri-Majava | Costume Designer | 1994 - 2008 | 3 | |
| Liinoja, Hanna | Hanna Liinoja | Actor | 1998 | 3 | |
| Liimatta, Jeremy | Jeremy Liimatta | Director | 2012 | 1 | |
| Liimatainen, Leena | Leena Liimatainen | Actor | 2014 | 1 | |
| Liigand, Oskar | Oskar Liigand | Actor | 1989 | 1 | |
| Lihavainen, Väinö | Väinö Lihavainen | Actor | 1956 | 1 | |
| Liguori, Thiago | Thiago Liguori | Actor | 2022 - 2024 | 6 | |
| Ligouras, Jimis | Jimis Ligouras | Actor | 1972 | 1 | |
| Lignadis, Dimitris | Dimitris Lignadis | Actor, Adaptation, Director | 1997 - 2017 | 5 | |
| Lightfoot, Fletcher | Fletcher Lightfoot | Actor | 1962 | 1 | |
| Lightfoot Clarke, Judith | Judith Lightfoot Clarke | Actor | 2000 | 1 | 1 |
| Lightbody, John | John Lightbody | Actor | 2005 | 1 | 1 |
| Lightbody, Darran | Darran Lightbody | Actor | 2007 - 2009 | 32 | |
| Light, Oskar | Oskar Light | Lighting Designer | 2019 | 1 | |
| Light, Judith | Judith Light | Actor | 1975 - 2001 | 3 | |
| Light, John | John Light | Actor | 2008 - 2010 | 2 | 1 |
| Liggins, Sally | Sally Liggins | Costume Designer | 1983 | 1 | |
| Ligęza, Marian | Marian Ligęza | Director | 1979 | 1 | |
| Ligeti, Miklós | Miklós Ligeti | Actor | 1994 | 4 | |
| Ligeti, Juliska | Juliska D. Ligeti (Juliska Ligeti) | Actor | 1901 - 1928 | 4 | |
| Ligers, Roberts | Roberts Ligers | Actor | 1964 | 1 | |
| Lifton, Paul | Paul Lifton | Director | 2006 | 1 | |
| Lifput, Olga | Olga Lifput | Actor | 2017 | 1 | |
| Liffe, - | - Liffe | Sound Designer | 2011 | 1 | |
| Life, Regge | Regge Life | Director | 2008 | 1 | 1 |
| Lifanov, B. | B. Lifanov | Actor | 1970 | 1 | |
| Liewehr, Fred | Fred Liewehr | Actor | 1960 | 1 | |
| Liewehr, Florian | Florian Liewehr | Actor | 1981 - 1985 | 2 | |
| Lievi, Daniele | Daniele Lievi | Designer | 1986 | 1 | |
| Lievi, Cesare | Cesare Lievi | Director, Translator | 1986 - 2002 | 45 | 1 |
| Lievenbrück, Dorit | Dorit Lievenbrück | Costume Designer, Designer | 1999 - 2002 | 8 | 1 |
| Lieven, Werner | Werner Lieven | Actor | 1956 | 1 | |
| Lieven, Tania | Tania Lieven | Director | 1952 | 1 | |
| Lieven, Lotte | Lotte Lieven | Actor | 1924 - 1937 | 3 | |
| Lieven, Heinz | Heinz Lieven | Actor | 1986 | 3 | |
| Lieutenant, José António | José António Lieutenant | Costume Designer | 2022 | 2 | |
| Lietzau, Hans | Hans Lietzau | Director | 1949 - 1989 | 2 | 1 |
| Lietz, Claudia | Claudia Lietz | Actor | 2003 | 1 | |
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