| Langenaken, Annie | Annie Langenaken | Actor | 1954 - 1963 | 3 | |
| Lalopoulou, Mairi | Mairi Lalopoulou | Actor | 1954 - 1962 | 5 | |
| López, Marga | Marga López | Actor | 1954 - 1956 | 2 | |
| Lupercio, Velia | Velia Lupercio | Actor | 1954 - 1956 | 2 | |
| Lagos, Adolfo | Adolfo Lagos | Producer | 1954 - 1956 | 2 | |
| Lodge, Ruth | Ruth Lodge | Actor | 1954 - 1955 | 12 | |
| Lange, Jan | Jan Lange | Composer | 1954 | 1 | |
| Lubicz-Lisowski, Juliusz, | Juliusz Lubicz-Lisowski | Actor | 1954 | 1 | |
| Loursais, Claude | Claude Loursais | Director | 1954 | 1 | |
| Lemaire, Jacqueline | Jacqueline Lemaire | Actor | 1954 | 1 | |
| Lee, John | John Lee | Actor | 1954 | 1 | |
| Lampidis, Charis | Charis Lampidis | Composer | 1954 | 1 | |
| Lothar, Lotte | Lotte Lothar | Actor | 1954 | 1 | |
| Littlewood, Joan | Joan Littlewood | Director | 1954 | 1 | |
| Lang, Wilhelm | Wilhelm Lang | Actor | 1954 | 1 | |
| Lee, Elsie | Elsie Lee | Actor | 1954 | 1 | |
| Luna, José Ramón | José Ramón Luna | Adaptation | 1954 | 1 | |
| Liszt, Joe | Joe Liszt | Actor | 1953 - 1966 | 3 | |
| Lampeti, Elli | Elli Lampeti | Actor | 1953 - 1955 | 5 | |
| Lumsden, Geoffrey | Geoffrey Lumsden | Actor | 1953 | 1 | |
| Lazarus, Marian | Marian Lazarus | Designer | 1953 | 1 | |
| Löwler, Margaretha | Margaretha Löwler | Actor | 1953 | 2 | |
| Løvberg, Åse, Nordmo | Åse Nordmo Løvberg | Actor | 1952 - 2006 | 2 | |
| Linder, Richard | Richard Linder | Translator | 1952 - 2005 | 16 | |
| Lingen, Theo | Theo Lingen | Actor | 1952 - 1965 | 2 | |
| Lilburn, John | John Lilburn | Actor | 1952 - 1964 | 2 | |
| Lopes, Ernani | Ernani Lopes | Actor | 1952 | 2 | |
| Langraf, Eva | Eva Langraf | Actor | 1952 | 2 | |
| Lang, Anthony | Anthony Lang | Actor | 1952 | 1 | |
| Loebe, Horst | Horst Loebe | Actor | 1952 | 1 | |
| Liss, Ted | Ted Liss | Actor | 1952 | 1 | |
| Lindermeier, Elisabeth | Elisabeth Lindermeier | Actor | 1952 | 1 | |
| Limmer, Hildegard | Hildegard Limmer | Actor | 1952 | 1 | |
| Lawlor, Ray | Ray Lawlor | Actor | 1952 | 1 | |
| Lattermann, Jenny | Jenny Lattermann | Actor | 1952 | 1 | |
| Leite, Luíza, Barreto | Luíza Barreto Leite | Actor | 1952 | 1 | |
| Lhamas, José | José Lhamas | Actor | 1952 | 1 | |
| Lima, Aristóteles | Aristóteles Lima | Actor | 1952 | 1 | |
| Leović, Mara | Mara Leović | Actor | 1952 | 1 | |
| Lehnkering, Karl-Eugen | Karl-Eugen Lehnkering | Actor | 1951 - 1976 | 5 | |
| Larkin, Peter | Peter Larkin | Designer | 1951 - 1965 | 3 | |
| Lazareth, Helene | Helene Lazareth | Actor | 1951 | 1 | |
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