| Luther, Lester | Lester Luther | Actor | 1928 | 1 | |
| Lazarovici, Josef | Josef Lazarovici | Actor | 1928 | 1 | |
| Larsen, John, R. | John R. Larsen | Designer | 1928 | 1 | |
| Löwe, Annemarie | Annemarie Löwe | Actor | 1917 - 1918 | 2 | |
| Løvseth, Helmer | Helmer Løvseth | Actor | 1928 | 1 | |
| Larsen, Erwin | Erwin Larsen | Actor | 1928 | 2 | |
| Langfeldt, Johan, G. | Johan G. Langfeldt | Actor | 1928 | 1 | |
| Lund, Vera | Vera Lund | Actor | 1928 | 1 | |
| Llewellin, Agnes | Agnes Llewellin | Actor | 1928 | 1 | |
| Larsen, Irene | Irene Larsen | Actor | 1928 | 1 | |
| Lund, Elsa | Elsa Lund | Actor | 1928 | 1 | |
| Leza, Marisa de | Marisa de Leza | Actor | 1976 - 1981 | 2 | |
| López, Arturo | Arturo López | Actor | 1978 - 1989 | 3 | |
| Lagzdiņš, Kārlis | Kārlis Lagzdiņš | Actor | 1928 - 1943 | 2 | |
| Lewis, Curigwen | Curigwen Lewis | Actor | 1928 - 1935 | 2 | |
| Lasák, Oldřich | Oldřich Lasák | Designer | 1928 | 1 | |
| 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 | |
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