| Lav, Ercüment, B. | Ercüment B. Lav | Actor | 1956 | 1 | |
| Levin, Barbara | Barbara Levin | Actor | 1956 | 1 | |
| Leech, Mary | Mary Leech | Dancer | 1956 | 1 | |
| Liebrecht, Marc | Marc Liebrecht | Musician | 1956 - 1957 | 3 | |
| Loosveldt, Germaine | Germaine Loosveldt | Actor | 1956 - 1957 | 9 | |
| Langer, Ruth | Ruth Langer (Ruth Langer) | Actor | 1956 - 1958 | 2 | |
| Lange-Nielsen, Mette | Mette Lange-Nielsen | Actor | 1956 - 1960 | 2 | |
| Lühr, Peter | Peter Lühr | Actor | 1956 - 1979 | 4 | |
| Larssen, Bernt Erik | Bernt Erik Larssen | Actor | 1956 - 1982 | 204 | 2 |
| Lutz, Ton | Ton Lutz | Actor, Director | 1956 - 1982 | 10 | |
| Leach, Patricia | Patricia Leach (Patricia Leach) | Actor | 1956 - 1991 | 2 | |
| Langberg, Ebbe | Ebbe Langberg | Actor | 1956 - 2003 | 3 | |
| Lie, Arne | Arne Lie | Actor | 1956 - 2006 | 8 | |
| Lhota, Karel | Karel Lhota (Karel Lhota) | Director | 1957 | 1 | |
| Lindig, Georg | Georg Lindig (Georg Lindig) | Actor | 1957 | 1 | |
| Lovell, Susan | Susan Lovell (Susan Lovell) | Designer | 1957 | 1 | |
| Lussier, Jr., Raymond G. | Raymond G. Lussier, Jr. (Raymond G. Lussier, Jr.) | Actor | 1957 | 1 | |
| Løye, Hanne | Hanne Løye | Actor | 1957 | 1 | |
| Laurentowski, Zenon | Zenon Laurentowski | Actor | 1957 | 1 | |
| Loedl, Bolesław | Bolesław Loedl | Actor | 1957 | 1 | |
| Lindholm, Manne | Manne Lindholm | Costume Designer | 1957 | 1 | |
| Liljeholm, Karl-Fredrik | Karl-Fredrik Liljeholm | Actor | 1957 | 1 | |
| Lindqvist, Gerhard | Gerhard Lindqvist | Actor | 1957 | 1 | |
| Lowry, Ken | Ken Lowry | Actor | 1957 | 1 | |
| Link, Russell | Russell Link | Actor | 1957 | 2 | |
| Lush, Robert | Robert Lush | Designer | 1957 | 3 | |
| Lehosti, Helmi | Helmi Lehosti | Actor | 1957 | 1 | |
| Laiho, Kauno | Kauno Laiho | Designer | 1957 | 1 | |
| Lebedev, A. | A. Lebedev | Actor | 1957 | 1 | |
| Larsen, Ejnar | Ejnar Larsen | Actor | 1957 - 1959 | 2 | |
| Lewis, Ronald | Ronald Lewis | Actor | 1957 - 1959 | 3 | |
| Løvaas, Birger | Birger Løvaas (Birger Løvaas) | Actor | 1957 - 1960 | 3 | |
| Lacombe, André | André Lacombe | Actor | 1957 - 1963 | 2 | |
| Lohmann, Henry | Henry Lohmann | Actor | 1957 - 1965 | 3 | |
| Lederer, Richard | Richard Lederer | Actor | 1957 - 1965 | 2 | |
| Luther, Fritz | Fritz Luther | Actor | 1957 - 1966 | 3 | |
| Løkkeberg, Cecilie | Cecilie Løkkeberg | Actor | 1957 - 1967 | 2 | |
| Láng, Rudolf | Rudolf Láng | Costume Designer | 1957 - 1969 | 3 | |
| Langham, Michael | Michael Langham (Michael Langham) | Director | 1957 - 1996 | 2 | |
| Lindblom, Gunnel | Gunnel Lindblom | Actor, Adaptation, Director | 1957 - 2013 | 13 | |
| Langwagen, Peter | Peter Langwagen (Peter Langwagen) | Actor | 1958 | 1 | |
| Lipińska, Danuta | Danuta Lipińska (Danuta Lipińska) | Actor | 1958 | 1 | |
|
|
