| Lamont, Florence | Florence Lamont | Costume Designer, Mask Maker | 1947 | 2 | |
| Long, Jerome | Jerome Long | Actor | 1947 | 3 | |
| Lombado, Renee | Renee Lombado | Actor | 1947 | 1 | |
| Lombardo, Renee | Renee Lombardo | Actor | 1947 | 1 | |
| Lay, Mary | Mary Lay | Actor | 1947 | 1 | |
| Leonard, James | James Leonard | Actor | 1947 | 1 | |
| Lorea, Anthony | Anthony Lorea | Actor | 1947 | 1 | |
| Lovegrove, Arthur | Arthur Lovegrove | Actor | 1947 | 1 | |
| Lawrence, Steven | Steven Lawrence | Actor | 1947 | 1 | |
| Linder, Ronny | Ronny Linder | Actor | 1947 | 1 | |
| Londin, A. Joseph | A. Joseph Londin | Lighting Designer | 1947 | 1 | |
| Lawrence, Elizabeth | Elizabeth Lawrence | Actor | 1947 | 1 | |
| Latimer, Norman | Norman Latimer | Actor | 1947 | 1 | |
| Lerner, Enrique | Enrique Lerner | Actor | 1947 | 1 | |
| Lumb, Geoffrey | Geoffrey Lumb | Actor | 1947 - 1950 | 3 | |
| Learoyd , Barry | Barry Learoyd | Designer | 1947 - 1954 | 3 | |
| Liessem, Wera | Wera Liessem | Actor | 1948 | 1 | |
| Lutz, Regine | Regine Lutz | Actor | 1948 | 1 | |
| Lemnaru, Oscar | Oscar Lemnaru | Translator | 1948 | 1 | |
| Levitt, Paul | Paul Levitt | Actor | 1948 | 1 | |
| Lowery, Katherine | Katherine Lowery | Actor | 1948 | 1 | |
| Lorenz-Inger, Fred | Fred Lorenz-Inger | Actor | 1948 | 1 | |
| Locante, Sam | Sam Locante | Actor | 1948 | 1 | |
| Lasbury, Bill | Bill Lasbury | Actor | 1948 | 1 | |
| Lyder, Kay | Kay Lyder | Actor | 1948 | 1 | |
| Leuch, Dorothy | Dorothy Leuch | Actor | 1948 | 1 | |
| Laren, Mac | Mac Laren | Actor | 1948 | 1 | |
| Lefebvre, Rolf | Rolf Lefebvre | Actor | 1948 | 1 | |
| Lawrence, Jean | Jean Lawrence | Actor | 1948 | 2 | |
| Løvland, Tuva | Tuva Løvland | Actor | 1948 | 1 | |
| Lamond, James | James Lamond | Actor | 1948 | 1 | |
| Links, Friedrich | Friedrich Links | Actor | 1948 - 1953 | 2 | |
| Ling, Bai | Bai Ling | Actor | 1948 - 1956 | 2 | |
| Lacey, Catherine | Catherine Lacey | Actor | 1948 - 1965 | 7 | 1 |
| 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 | |
| Lima, Terezinha, C. | Terezinha C. Lima | Actor | 1949 | 1 | |
| Lawrence, Phil | Phil Lawrence | Actor | 1949 | 1 | |
| Leon, Axel, N. | Axel N. Leon | Actor | 1949 | 1 | |
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