| Low, Jacquie | Jacquie Low | Actor | 1970 | 1 | |
| Libner, Stanisław | Stanisław Libner | Actor | 1970 - 1971 | 2 | |
| Lapinski, Henryk | Henryk Lapinski | Actor | 1970 - 1971 | 2 | |
| Liaskou, Chloï | Chloï Liaskou | Actor | 1978 - 1989 | 2 | |
| Lunøe, Sofie | Sofie Lunøe | Actor | 1970 | 1 | |
| Lancova, F. | F. Lancova | Actor | 1911 | 1 | |
| Lukeš, M. | M. Lukeš | Actor | 1911 | 1 | |
| Linhartova, B. | B. Linhartova | Actor | 1911 | 1 | |
| Leister, Hermione | Hermione Leister | Actor | 1911 | 2 | |
| Lüdowa, Aleksandra | Aleksandra Lüdowa | Actor | 1911 | 1 | |
| Lubicz-Mogilnicka, Halina | Halina Lubicz-Mogilnicka | Actor | 1911 | 1 | |
| Lutz, Ton | Ton Lutz | Actor, Director | 1956 - 1982 | 10 | |
| Lorenz, Christa | Christa Lorenz | Actor | 1974 | 1 | |
| Lasarova, Rumjana | Rumjana Lasarova | Choreographer | 1974 - 1978 | 4 | |
| Lanyer, Charles | Charles Lanyer | Actor | 1974 | 1 | |
| Lindstrøm, Vera | Vera Lindstrøm | Actor | 1911 - 1926 | 3 | |
| Luzanov, D. M. | D. M. Luzanov | Actor | 1912 | 1 | |
| Lelicińska, Kika | Kika Lelicińska | Designer | 1973 | 1 | |
| Liljeblad, Britt-Marie | Britt-Marie Liljeblad | Actor | 1974 - 1975 | 2 | |
| Lüning, Inga | Inga Lüning | Actor | 1974 - 1975 | 3 | |
| Languasco, Nicoletta | Nicoletta Languasco | Actor | 1974 | 3 | |
| Larionov, Kolja | Kolja Larionov | Actor | 1912 | 1 | |
| Lelkes, Ágnes | Ágnes Lelkes | Actor | 1974 | 1 | |
| Lengyel, György | György Lengyel | Director | 1965 - 1994 | 6 | |
| Leblanc, Diana | Diana Leblanc | Actor, Director | 1963 - 2006 | 3 | |
| LeVene, Richard | Richard LeVene | Actor | 1970 | 2 | |
| Lonza, Tanko | Tanko Lonza | Actor | 1967 - 1977 | 2 | |
| Ladan, Tomislav | Tomislav Ladan | Translator | 1977 - 2013 | 3 | |
| Lyndrup, Allen, W. | Allen W. Lyndrup | Actor | 1970 | 1 | |
| Lee, Howard | Howard Lee | Actor | 1977 | 1 | |
| Lithman, Hildur | Hildur Lithman | Actor | 1912 - 1913 | 2 | |
| Lindholm, Uno | Uno Lindholm | Actor | 1912 | 1 | |
| Love, Montagu | Montagu Love | Actor | 1913 | 1 | |
| Landau, Zofia | Zofia Landau | Actor | 1913 | 1 | |
| Lund, Marie | Marie Lund | Actor | 1978 | 1 | |
| Lynn, Heery | Heery Lynn | Director | 1978 | 1 | |
| Lamberts, Heath | Heath Lamberts | Actor | 1973 | 2 | |
| Lomperi, Reijo | Reijo Lomperi | Actor | 1978 | 1 | |
| Laiho, Ami | Ami Laiho | Actor | 1978 | 1 | |
| Luukkonen, Pasi | Pasi Luukkonen | Actor | 1978 - 1982 | 2 | |
| Ludwick, Patricia | Patricia Ludwick | Actor | 1973 | 8 | |
| Lipman, Nicola | Nicola Lipman | Actor | 1973 | 7 | |
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