| Llewellyn, Fewlass | Fewlass Llewellyn | Actor | 1928 | 1 | |
| Levy, Carolyn | Carolyn Levy | Costume Designer | 1973 | 1 | |
| Lenard, Mark Lenard | Mark Lenard | Actor | 1960 - 1973 | 3 | |
| Lucas, Herwig | Herwig Lucas | Actor | 1972 - 1973 | 2 | |
| Lougear, Lin | Lin Lougear | Actor | 1972 - 2000 | 7 | |
| Lewinsky, Charles | Charles Lewinsky | Dramaturg | 1973 | 1 | |
| Linssen, Carol | Carol Linssen | Actor | 1973 - 2003 | 2 | |
| Lingard, Laurie | Laurie Lingard | Actor | 1928 | 1 | |
| Lewisohn, Victor | Victor Lewisohn | Actor | 1928 - 1931 | 4 | |
| Lanza, Domenico | Domenico Lanza | Translator | 1928 - 1929 | 6 | |
| Lavoratti, Mary | Mary Lavoratti | Actor | 1928 - 1929 | 7 | |
| Long, Judith | Judith Long | Actor | 1972 | 1 | |
| Lämmert, Gunther, W. | Gunther W. Lämmert | Actor | 1975 | 1 | |
| Leitenbauer, Viktor | Viktor Leitenbauer | Mask Maker | 1975 | 1 | |
| Langaas, Arne | Arne Langaas | Actor | 1978 - 1979 | 2 | |
| Lunden, Brigit | Brigit Lunden | Actor | 1978 | 4 | |
| Lepre, Gianni | Gianni Lepre | Director | 1978 | 2 | |
| Lind, Beate | Beate Lind | Actor, Costume Designer | 1978 | 2 | |
| Lahn, Tore | Tore Lahn | Actor, Designer | 1978 | 2 | |
| la Dous, Werner | Werner la Dous | Actor | 1977 | 1 | |
| Larsen, Bente Gro | Bente Gro Larsen | Actor | 1978 | 1 | |
| Lingard, John | John Lingard | Director, Translator | 1977 - 2000 | 5 | |
| Langeland, Øystein | Øystein Langeland (Oeystein Langeland) | Actor | 1967 - 1981 | 5 | |
| Lüdicke, Peter René | Peter René Lüdicke | Actor | 1988 - 2021 | 11 | |
| Levonjan, Khoren | Khoren Levonjan | Actor | 1991 | 2 | |
| Lahti, Ingemar | Ingemar Lahti | Actor | 1998 | 2 | |
| Lundin, Yngve | Yngve Lundin | Actor | 1998 | 2 | |
| Lendorph, Torben | Torben Lendorph | Lighting Designer | 2002 - 2015 | 51 | |
| Larkins, Grady | Grady Larkins | Designer | 1972 | 1 | |
| Lebinsky, Horst | Horst Lebinsky | Actor | 1975 - 2011 | 13 | |
| Lehmann, Sven | Sven Lehmann | Actor | 2008 - 2011 | 7 | |
| Leveau, Pierre | Pierre Leveau | Lighting Designer | 2002 - 2003 | 6 | |
| Ljunggren, Sten | Sten Ljunggren | Actor | 1986 - 2007 | 7 | |
| Landgré, Inga | Inga Landgré | Actor | 1991 - 2004 | 3 | |
| Lackmann, Gottfried | Gottfried Lackmann | Actor | 1974 - 1991 | 3 | |
| Lilja-Svensson, Margareta | Margareta Lilja-Svensson | Producer | 1990 - 1991 | 3 | |
| Lunn, Jonathan | Jonathan Lunn | Dancer | 1990 | 2 | |
| Liseth, Bente | Bente Liseth | Actor | 1971 - 1978 | 3 | |
| Linney, Romulus | Romulus Linney | Adaptation, Director | 1998 - 2014 | 6 | |
| Lamos, Mark | Mark Lamos | Actor, Director | 1986 - 1996 | 5 | |
| Liming, Yi | Yi Liming | Designer | 2006 - 2010 | 8 | |
| Lanza, Giorgio | Giorgio Lanza | Actor | 1975 - 2001 | 11 | |
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