| Lisell-Frank, Dawn | Dawn Lisell-Frank | Actor | 1990 | 1 | |
| Lukeš, Vlastimil | Vlastimil Lukeš | Actor | 1991 | 1 | |
| Lane, Harry | Harry Lane | Director | 1990 | 1 | |
| Lentino, Lea, Campbell | Lea Campbell Lentino | Lighting Designer | 1991 | 1 | |
| Leonhardt, Wieland | Wieland Leonhardt | Mask Maker | 1956 | 1 | |
| Lehmann, Wilfried | Wilfried Lehmann | Actor | 1991 | 2 | |
| Langhans, Jürgen | Jürgen Langhans | Actor | 1991 | 4 | |
| Laichter, Prokop | Prokop Laichter | Costume Designer, Designer | 1956 | 2 | |
| Latiševs, Arkādijs | Arkādijs Latiševs | Actor | 1956 | 1 | |
| Larsson, Sara | Sara Larsson | Actor | 1984 - 1993 | 22 | |
| Leighton, Maxinne, Rhea | Maxinne Rhea Leighton | Actor | 1988 | 1 | |
| Lusena, Sara | Sara Lusena | Actor | 1988 | 1 | |
| Ljuzkanov, Nikolaj | Nikolaj Ljuzkanov | Adaptation, Director, Translator | 1988 | 3 | |
| Lucignani, Luciano | Luciano Lucignani | Adaptation, Director | 1956 | 3 | |
| Larsen, William | William Larsen | Actor | 1956 | 1 | |
| Loureiro, Augusto | Augusto Loureiro | Sound Designer | 1992 | 1 | |
| Lívio, Tito | Tito Lívio | Dramaturg | 1992 | 1 | |
| Leyer, Karsten | Karsten Leyer | Actor | 1992 | 1 | |
| Lipsky, Gunther | Gunther Lipsky | Actor | 1992 | 1 | |
| Luxemburger, Renate | Renate Luxemburger | Dramaturg | 1992 | 1 | |
| Landon, Les | Les Landon | Lighting Designer, Sound Designer | 1992 - 1994 | 2 | |
| Lagemaat, Kees van de | Kees van de Lagemaat | Lighting Designer | 1992 | 1 | |
| Lekova, Nikolina | Nikolina Lekova | Actor | 1961 - 1988 | 3 | |
| Ljuzkanov, Vladimir | Vladimir Ljuzkanov | Actor | 1988 | 1 | |
| Latham, Maxton | Maxton Latham | Actor | 1991 | 1 | |
| Luongo, John | John Luongo | Actor | 1988 | 1 | |
| Lamers, Jan, Joris | Jan Joris Lamers | Actor, Costume Designer, Designer, Director, Dramaturg, Lighting Designer | 1988 - 1994 | 11 | |
| Lampl, Gerlind | Gerlind Lampl | Costume Designer | 1992 | 1 | |
| Landtsheer, Peggy De | Peggy De Landtsheer | Actor | 1992 | 1 | |
| Lorenz-Herting, Thomas | Thomas Lorenz-Herting | Costume Designer, Designer, Lighting Designer | 1992 - 1997 | 5 | |
| Libnow, Ramona | Ramona Libnow | Actor | 1992 | 1 | |
| Lichtenstein, Jörg | Jörg Lichtenstein | Actor | 1992 | 1 | |
| Ludwig, Marcus | Marcus Ludwig | Composer, Musician | 1992 | 2 | |
| Lewis, Emma | Emma Lewis | Actor, Dancer | 1988 - 2008 | 2 | |
| Lyng, Selma, Therese | Selma Therese Lyng | Actor | 1988 | 1 | |
| Leenderts, Else | Else Leenderts | | | | |
| Lyngra Høgås, Marja | Marja Lyngra Høgås | Actor | 1988 | 1 | |
| Litterati-Végh, László | László Litterati-Végh | Dramaturg | 1991 | 1 | |
| Lynch, Barry | Barry Lynch | Actor | 1988 | 2 | |
| Leicester, Margot | Margot Leicester | Actor | 1988 - 2009 | 3 | |
| Letts, Dominic | Dominic Letts | Actor | 1988 | 2 | |
| Le Saché, Vickie | Vickie Le Saché | Designer | 1988 | 1 | |
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