| Laskawy, Harris | Harris Laskawy | Actor | 1974 - 1978 | 2 | |
| Lindtner, Lothar | Lothar Lindtner | Actor, Director | 1942 | 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 | 5 | |
| Lalicki, Vladislav | Vladislav Lalicki | Costume Designer, Designer | 1970 | 2 | |
| Lochert, Marianne | Marianne Lochert | Actor | 1960 | 5 | |
| Leukert, Erich | Erich Leukert | Actor | 1974 | 1 | |
| Liebenow, Rena | Rena Liebenow | Actor | 1961 - 1964 | 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 | 2 | |
| Lederer, Wilhelm | Wilhelm Lederer | Mask Maker | 1971 | 2 | |
| Loui, Gorgo | Gorgo Loui | Actor | 1928 | 1 | |
| Lokkeberg, Lars | Lars Lokkeberg | Actor | 1928 | 1 | |
| Linden, Jennie | Jennie Linden | Actor | 1975 | 7 | |
| 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 - 1934 | 11 | |
| Llewellyn, Fewlass | Fewlass Llewellyn | Actor | 1928 | 1 | |
| Levy, Carolyn | Carolyn Levy | Costume Designer | 1973 | 1 | |
| Lenard, Mark Lenard | Mark Lenard | Actor | 1960 | 3 | |
| Lucas, Herwig | Herwig Lucas | Actor | 1972 | 2 | |
| Lougear, Lin | Lin Lougear | Actor | 1972 - 2000 | 7 | |
| Lewinsky, Charles | Charles Lewinsky | Dramaturg | 1973 | 1 | |
| Linssen, Carol | Carol Linssen | Actor | 1973 - 2003 | 2 | |
| Lingard, Laurie | Laurie Lingard | Actor | 1928 | 1 | |
| Lewisohn, Victor | Victor Lewisohn | Actor | 1928 | 4 | |
| Lanza, Domenico | Domenico Lanza | Translator | 1928 - 1929 | 6 | |
| Lavoratti, Mary | Mary Lavoratti | Actor | 1928 - 1929 | 7 | |
| Long, Judith | Judith Long | Actor | 1972 | 1 | |
| Lämmert, Gunther, W. | Gunther W. Lämmert | Actor | 1975 | 1 | |
| Leitenbauer, Viktor | Viktor Leitenbauer | Mask Maker | 1975 | 1 | |
| Langaas, Arne | Arne Langaas | Actor | 1978 | 2 | |
| Lunden, Brigit | Brigit Lunden | Actor | 1978 | 4 | |
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