| Lord, Stephen | Stephen Lord | Actor | 1951 | 1 | |
| Landis, Lorna | Lorna Landis | Actor | 1951 | 1 | |
| Larson, Herbert | Herbert Larson | Actor | 1951 | 1 | |
| Linfoot, Jean | Jean Linfoot | Actor | 1951 | 1 | |
| Littlewood, Robert | Robert Littlewood | Actor | 1951 | 1 | |
| Lavrač, Roman | Roman Lavrač | Actor | 1951 | 1 | |
| Lemmert, Ruth | Ruth Lemmert | Actor | 1951 | 1 | |
| Linker, Patience | Patience Linker | Actor | 1951 | 1 | |
| Larsen, Hanna | Hanna Larsen | Actor | 1951 | 1 | |
| Laqua, Beatrix | Beatrix Laqua | Actor | 1951 | 1 | |
| Ludwig, Hermine | Hermine Ludwig | Actor | 1951 | 1 | |
| Lehmann, Heinrich | Heinrich Lehmann | Actor | 1951 | 1 | |
| Lindner, Helen | Helen Lindner | Actor | 1951 | 1 | |
| Lush, Valerie | Valerie Lush | Actor | 1951 | 1 | |
| Levy, Ralph | Ralph Levy | Actor | 1951 | 1 | |
| Loeb, Philip | Philip Loeb | Actor | 1951 | 1 | |
| Lynn, Diana | Diana Lynn | Actor | 1951 | 1 | |
| Lazarević, Laza | Laza Lazarević | Actor | 1951 | 1 | |
| Lupač, N. | N. Lupač | Designer | 1951 | 1 | |
| Luzzati, Emanuele | Emanuele Luzzati | Costume Designer, Designer | 1950 – 1973 | 13 | |
| Lynn, Jack | Jack Lynn | Director | 1950 – 1953 | 2 | |
| Lewin, Michael | Michael Lewin | Actor | 1950 – 1951 | 2 | |
| Lewis, Robert | Robert Lewis | Director | 1950 – 1951 | 1 | |
| Ludwig, Salem | Salem Ludwig | Actor | 1950 – 1951 | 1 | |
| Lyons, Gene | Gene Lyons | Actor | 1950 – 1951 | 1 | |
| Līne, Velta | Velta Līne | Actor | 1950 | 2 | |
| Leyrer, Willy, | Willy Leyrer | Actor | 1950 | 1 | |
| Lübbert, Martin, | Martin Lübbert | Actor | 1950 | 1 | |
| Ledosquet, Trude, | Trude Ledosquet | Actor | 1950 | 1 | |
| Lopatta, Edeltraut, | Edeltraut Lopatta | Actor | 1950 | 1 | |
| Legal, Marga, | Marga Legal | Actor | 1950 | 1 | |
| Lessing, Hugo, | Hugo Lessing | Actor | 1950 | 1 | |
| Lozal, Marianne, | Marianne Lozal | Actor | 1950 | 1 | |
| Leon, Dorothy | Dorothy Leon | Actor | 1950 | 1 | |
| Lissiak, Elvi | Elvi Lissiak | Actor | 1950 | 1 | |
| Lappa Starženeckij, Ju. | Ju. Lappa Starženeckij | Director | 1950 | 1 | |
| Lietzau, Hans, | Hans Lietzau | Director | 1949 – 1991 | 2 | |
| Lindinger, Jo, | Jo Lindinger | Designer | 1949 | 1 | |
| Lenz, Ruth, | Ruth Lenz | Choreographer | 1949 | 1 | |
| Lamprecht, Vera, | Vera Lamprecht | Actor | 1949 | 1 | |
| Logelin, Jo Ann | Jo Ann Logelin | Actor | 1949 | 1 | |
| Leite, Roberto, P. | Roberto P. Leite | Actor | 1949 | 1 | |
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