| Linsz, Miss | Miss Linsz | Actor | 1926 | 1 | |
| Lieberg, Helenita | Helenita Lieberg | Actor | 1926 | 1 | |
| Lagus, Kerstin | Kerstin Lagus | Actor | 1926 | 1 | |
| Løkkeberg, Tore | Tore Løkkeberg | Actor | 1926 | 1 | |
| Lambooy, Mary Anne | Mary Anne Lambooy | Actor | 1972 | 1 | |
| Loveless, Geanne | Geanne Loveless | Actor | 1972 | 1 | |
| Llewellyn, Don | Don Llewellyn | Designer | 1972 | 1 | |
| Levisianos, Iakovos | Iakovos Levisianos | Actor | 1965 - 1974 | 3 | |
| Lelitová, Hana | Hana Lelitová | Actor | 1973 | 1 | |
| Laertis, Marios | Marios Laertis | Translator | 1974 | 1 | |
| Liliev, Nikolaj | Nikolaj Liliev | Translator | 1926 - 1960 | 3 | |
| Leikvang, Ole | Ole Leikvang | Actor | 1928 - 1937 | 3 | |
| Lenert, Marguerite | Marguerite Lenert | Actor | 1975 | 1 | |
| London, Howard | Howard London | Actor | 1975 | 1 | |
| Lee, Eugene | Eugene Lee | Designer, Lighting Designer | 1968 - 2013 | 9 | |
| La Chesnais, P.G. | P.-G. La Chesnais | Translator | 1977 - 2021 | 3 | |
| Laskawy, Harris | Harris Laskawy | Actor | 1974 - 1978 | 2 | |
| Lindtner, Lothar | Lothar Lindtner | Actor, Director | 1942 - 1981 | 19 | |
| leinholz, N.J. | N. J. leinholz | Actor | 1973 | 1 | |
| Lakenmacher, Peter | Peter Lakenmacher | Actor | 1972 | 1 | |
| Liodaki-Makridou, Niki | Niki Liodaki-Makridou | Costume Designer, Designer | 1974 | 14 | |
| Lindquist, Roy | Roy Lindquist | Actor | 1973 | 2 | |
| Linde, Rainer zur | Rainer zur Linde | Actor | 1970 | 2 | |
| Linke, Anna, Maria | Anna Maria Linke | Translator | 1959 - 2006 | 8 | |
| Lewik, Włodzimierz | Włodzimierz Lewik | Translator | 1971 - 2011 | 5 | |
| Lalicki, Vladislav | Vladislav Lalicki | Costume Designer, Designer | 1970 - 1975 | 3 | |
| Lochert, Marianne | Marianne Lochert | Actor | 1960 - 1973 | 5 | |
| Leukert, Erich | Erich Leukert | Actor | 1974 | 1 | |
| Liebenow, Rena | Rena Liebenow | Actor | 1961 - 1975 | 3 | |
| Lipp, Tiina | Tiina Lipp | Costume Designer, Designer | 1974 | 2 | |
| Lukas, Hans-Willi | Hans-Willi Lukas | Actor | 1975 | 1 | |
| Langhoff, Matthias | Matthias Langhoff | Adaptation, Director | 1973 - 1975 | 2 | |
| Lederer, Wilhelm | Wilhelm Lederer | Mask Maker | 1971 - 1973 | 2 | |
| Loui, Gorgo | Gorgo Loui | Actor | 1928 | 1 | |
| Lokkeberg, Lars | Lars Lokkeberg | Actor | 1928 | 1 | |
| Linden, Jennie | Jennie Linden | Actor | 1975 | 8 | |
| Low, Auton | Auton Low | Actor | 1974 | 1 | |
| Levitt, Harriet | Harriet Levitt | Actor | 1974 | 1 | |
| LaGue, Michael | Michael LaGue | Actor | 1974 | 1 | |
| Lauria, David, Peter | David Peter Lauria | Actor | 1974 | 1 | |
| Leighton, Miriam | Miriam Leighton | Actor | 1928 | 1 | |
| Leyssac, Paul | Paul Leyssac | Actor, Adaptation, Translator | 1928 - 1940 | 11 | |
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