| Lázníčková, Marie | Marie Lázníčková | Actor | 1928 | 1 | |
| Lamla, Norbert | Norbert Lamla | Actor | 1983 | 1 | |
| Lange, Klaus | Klaus Lange | Actor | 1983 | 1 | |
| Linhart, Oskar | Oskar Linhart | Actor, Adaptation, Director | 1928 - 1943 | 9 | |
| Lamb, Mary | Mary Lamb | Actor | 1928 | 1 | |
| Leonard, Arthur | Arthur Leonard | Actor | 1928 | 1 | |
| Lauterer, Arch | Arch Lauterer | Designer | 1929 - 1930 | 2 | |
| Leslie, Noël | Noël Leslie | Actor | 1929 | 1 | |
| Ludwig, Herm. | Herm. Ludwig | Actor | 1890 - 1891 | 2 | |
| Leirer, Emmy | Emmy Leirer | Actor | 1899 - 1902 | 4 | |
| Leis, Klärchen | Klärchen Leis | Actor | 1912 | 1 | |
| Luzzati, Emanuele | Emanuele Luzzati | Costume Designer, Designer | 1950 - 1973 | 13 | |
| Lawrence, Claudia | Claudia Lawrence | Choreographer | 1972 - 1973 | 4 | |
| Lisboa, Elisa | Elisa Lisboa | Actor, Translator | 1972 - 2010 | 12 | |
| Laseur, Petra | Petra Laseur | Actor | 1972 - 1996 | 2 | |
| Lüdi, Peter | Peter Lüdi | Director | 1972 | 1 | |
| Lehmann, Herbert | Herbert Lehmann | Actor | 1972 | 1 | |
| Lemke, Hans-Herbert | Hans-Herbert Lemke | Dramaturg | 1972 | 1 | |
| Landefort, Lisbeth | Lisbeth Landefort | Director | 1983 | 1 | |
| Lupu, Michael | Michael Lupu | Dramaturg | 1983 | 1 | |
| Lane, Colin | Colin Lane | Actor | 1983 - 2009 | 6 | |
| Lewin, John | John Lewin | Actor | 1983 | 4 | |
| Langmiler, Josef | Josef Langmiler | Actor | 1972 - 1994 | 8 | |
| Leclerc, Martine | Martine Leclerc | Actor | 1972 | 5 | |
| LaFevre, Ned | Ned LaFevre | Actor | 1932 | 1 | |
| Leandrou, Lola | Lola Leandrou | Actor | 1933 | 1 | |
| Liertz, Fritzleo | Fritzleo Liertz | Actor | 1972 | 1 | |
| Lehnkering, Karl-Eugen | Karl-Eugen Lehnkering | Actor | 1951 - 1976 | 5 | |
| Leclair, Jean | Jean Leclair | Actor | 1939 | 3 | |
| Langraf, Eva | Eva Langraf | Actor | 1952 | 2 | |
| Lampeti, Elli | Elli Lampeti | Actor | 1953 - 1955 | 5 | |
| Lalopoulou, Mairi | Mairi Lalopoulou | Actor | 1954 - 1962 | 5 | |
| Lichard, Ivan | Ivan Lichard | Director | 1955 | 1 | |
| Lokša, Jaroslav | Jaroslav Lokša | Actor | 1933 - 1955 | 3 | |
| Lerch, Josef | Josef Lerch | Actor | 1905 | 1 | |
| Lavela, Antonio, L. | Antonio L. Lavela | Actor | 1962 | 1 | |
| Lucena, Ricardo, Romero | Ricardo Romero Lucena | Actor | 1962 | 1 | |
| López Baeyens, Ana, M. | Ana M. López Baeyens | Actor | 1962 | 1 | |
| Lamprinou, Margarita | Margarita Lamprinou | Actor | 1963 - 1978 | 2 | |
| Love, Richard | Richard Love | Actor | 1969 | 1 | |
| Lüder-Freiwald, Marg. | Marg. Lüder-Freiwald | Actor | 1908 | 1 | |
| Lawler, Pat | Pat Lawler | Actor | 1978 | 1 | |
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