| Lyster, Felicity | Felicity Lyster | Actor | 1939 | 1 | |
| Leimanis, Leonīds | Leonīds Leimanis | Actor | 1939 | 1 | |
| Liepa, Kārlis | Kārlis Liepa | Actor | 1939 | 1 | |
| Lipkin, Marjorie | Marjorie Lipkin | Actor | 1939 | 1 | |
| Lunz, Marie | Marie Lunz | Dancer | 1939 | 1 | |
| Lovelock, Beverly | Beverly Lovelock | Dancer | 1939 | 1 | |
| Lund, Martin | Martin Lund | Actor | 1939 | 1 | |
| Lambreva, Milka | Milka Lambreva | Actor | 1939 | 1 | |
| Lori, Anna | Anna Lori | Actor | 1939 | 2 | |
| Lepeniotis, Nikos | Nikos Lepeniotis | Actor | 1939 | 2 | |
| Lascăr, Ion | Ion Lascăr | Actor | 1939 - 1940 | 2 | |
| Lekkou, Mairi | Mairi Lekkou | Actor | 1939 - 1940 | 25 | |
| Lemos, Adamantios | Adamantios Lemos | Actor | 1939 - 1955 | 6 | |
| Livesey, Peggy | Peggy Livesey | Actor | 1939 - 1955 | 3 | |
| Liebel, Martha | Martha Liebel | Actor | 1940 | 1 | |
| Lutz, Adolf | Adolf Lutz | Actor | 1940 | 1 | |
| Lommer, Horst | Horst Lommer | Actor | 1940 | 1 | |
| Lesnie, Hugo | Hugo Lesnie | Actor | 1940 | 1 | |
| Lux, Warren | Warren Lux | Actor | 1940 | 2 | |
| Lindström, Richard | Richard Lindström | Actor | 1940 | 2 | |
| Loughrey, Donna | Donna Loughrey | Actor | 1940 | 1 | |
| Lehmann, Roberta | Roberta Lehmann | Actor | 1940 | 1 | |
| Lageson, C., B. | C. B. Lageson | Actor | 1940 | 1 | |
| Lerou, Stine | Stine Lerou | Actor | 1940 | 1 | |
| Larsen, Edward | Edward Larsen | Actor | 1940 | 1 | |
| Littel, Virginia | Virginia Littel | Actor | 1940 | 1 | |
| Longanesi, Leo | Leo Longanesi | Costume Designer, Designer | 1940 | 6 | |
| Larin, A. | A. Larin | Director | 1940 | 1 | |
| Lalenkov, B. | B. Lalenkov | Designer | 1940 | 1 | |
| Leslie, William | William Leslie | Actor | 1940 - 1948 | 7 | |
| Lipponer, Lydia | Lydia Lipponer | Actor | 1940 - 1955 | 5 | |
| Laubenthal, Hannsgeorg | Hannsgeorg Laubenthal | Actor | 1940 - 1961 | 2 | |
| Lowell Lees, C. | C. Lowell Lees | Director, Translator | 1940 - 1965 | 3 | |
| Larthe, Paul | Paul Larthe | Director | 1941 | 1 | |
| Lothar, Lilo | Lilo Lothar | Actor | 1941 | 1 | |
| Liebant, Ursula | Ursula Liebant | Actor | 1941 | 1 | |
| Lukács, Margit | Margit Lukács | Actor | 1941 | 1 | |
| Linka, Miloš | Miloš Linka | Actor | 1941 | 1 | |
| Lewis, Angela, Wyndham | Angela Wyndham Lewis | Actor | 1941 | 1 | |
| Lekić, Milan | Milan Lekić | Actor | 1941 | 1 | |
| Leube, Rudi | Rudi Leube | Actor | 1942 | 1 | |
| Lidolt, Mascha | Mascha Lidolt | Choreographer | 1942 | 1 | |
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