| Littitz, Maria, | Maria Littitz | Actor | 1919 - 1927 | 2 | |
| Loibner, Eduard, | Eduard Loibner | Actor, Director | 1919 - 1928 | 8 | |
| Lerch, Karl, | Karl Lerch | Actor | 1919 - 1948 | 8 | |
| Lüders, Gertrud, | Gertrud Lüders | Actor | 1920 | 1 | |
| Lindner, Friedrich, | Friedrich Lindner | Actor | 1920 | 4 | |
| Lert, Dr. Ernst, | Ernst Lert (Dr. Ernst Lert) | Director | 1920 | 2 | |
| Lorenz, Rudolf, | Rudolf Lorenz | Actor | 1920 | 2 | |
| Lažanský, Karel | Karel Lažanský | Actor | 1920 | 1 | |
| Loskot, Josef | Josef Loskot | Actor | 1920 | 1 | |
| Lawler, Robert | Robert Lawler | Actor | 1920 | 1 | |
| Ludwig, Franz | Franz Ludwig | Actor | 1920 | 3 | |
| Lăzărescu, Sylvia | Sylvia Lăzărescu | Actor | 1920 | 1 | |
| Lockton, Joan | Joan Lockton | Actor | 1920 | 1 | |
| Landmann, Frieda, | Frieda Landmann | Actor | 1920 - 1924 | 2 | |
| Luca, Ana | Ana Luca | Actor | 1920 - 1937 | 7 | |
| Linnell, Gertrude, | Gertrude Linnell | Actor | 1921 | 1 | |
| Lloyd, Doris, | Doris Lloyd | Actor | 1921 | 1 | |
| Ludwig, Erna, | Erna Ludwig | Actor | 1921 | 1 | |
| Litschke, Paul, | Paul Litschke | Actor | 1921 | 1 | |
| Liertz, Fritz Leo, | Fritz Leo Liertz | Actor | 1921 | 2 | |
| Lampert, Nestor, | Nestor Lampert | Actor | 1921 | 1 | |
| Loos, Hans, | Hans Loos | Actor | 1921 | 1 | |
| Lobe, Friedrich, | Friedrich Lobe | Actor, Director | 1921 | 4 | |
| Lensing, Marielotte, | Marielotte Lensing | Actor | 1921 | 1 | |
| Lischka, Hans, | Hans Lischka | Actor | 1921 | 2 | |
| Leffmann, Oscar, | Oscar Leffmann | Actor | 1921 | 4 | |
| Lóránd, Dénes, | Dénes Lóránd | Actor | 1921 | 1 | |
| Lupi, Fru, | Fru Lupi | Actor | 1921 | 6 | |
| Lupi, Ruggero, | Ruggero Lupi | Actor | 1921 | 1 | |
| Leishman, Paul | Paul Leishman | Actor | 1921 | 1 | |
| Līcis, Fricis | Fricis Līcis | Actor | 1921 | 1 | |
| Lejiņš, Jānis | Jānis Lejiņš | Actor, Director | 1921 | 4 | |
| Ledoux, - | - Ledoux | Actor | 1921 | 1 | |
| Lemarchand, M. | M. Lemarchand | Actor | 1921 | 1 | |
| Laugier, Germaine | Germaine Laugier | Actor | 1921 | 1 | |
| Lepnis, Z. | Z. Lepnis | Actor, Dancer | 1921 | 3 | |
| Levenstein, E. | E. Levenstein | Actor, Dancer | 1921 | 3 | |
| Laurin, Hertha | Hertha Laurin | Actor | 1921 | 1 | |
| Lunden Seemann, Rolf | Rolf Lunden Seemann | Actor | 1921 | 1 | |
| L'hermet, Hans | Hans L'hermet | Conductor | 1921 - 1922 | 2 | |
| Litsch, Georg | Georg Litsch | Actor | 1921 - 1923 | 5 | |
| Lohner, Alfred, | Alfred Lohner | Actor | 1921 - 1931 | 8 | |
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