| Larsson, Iréne | Iréne Larsson | Actor | 1991 | 3 | |
| Lindström, Pelle | Pelle Lindström | Musician | 1991 | 1 | |
| León, Julio, de | Julio de León | Actor | 1991 | 1 | |
| Landerl , Peter | Peter Landerl | Actor | 1991 | 1 | |
| Lazăr, Ovidiu | Ovidiu Lazăr | Director | 1991 | 3 | |
| Lerca, Constanța | Constanța Lerca | Actor | 1991 | 1 | |
| Landolt, Marcel | Marcel Landolt | Actor | 1991 | 2 | |
| Landis, Heiri | Heiri Landis | Actor | 1991 | 2 | |
| Leonard, John A., | John A. Leonard (John A. Leonard) | Sound Designer | 1990 – 2015 | 10 | |
| Linaios, Stefanos | Stefanos Linaios | Actor, Director, Translator | 1990 – 2014 | 6 | |
| Lindström, Marika | Marika Lindström | Actor | 1990 – 2006 | 4 | |
| Lenz, Angelika | Angelika Lenz | Costume Designer, Designer | 1990 – 2005 | 7 | |
| Lodwig, Ulrike | Ulrike Lodwig | Actor | 1990 – 2005 | 7 | |
| Leighton, Richard | Richard Leighton | Actor | 1990 – 2002 | 2 | |
| Larsson, Bertil | Bertil Larsson | Lighting Designer | 1990 – 2000 | 4 | |
| Lepine, Danièlle | Danièlle Lepine | Actor | 1990 – 1995 | 2 | |
| Lindner-Badstübner, Wally | Wally Lindner-Badstübner | Costume Designer | 1990 – 1992 | 2 | |
| Lindsell, Egil, | Egil Lindsell | Actor, Musician | 1990 – 1992 | 3 | |
| Liljeroth, Leif | Leif Liljeroth | Actor | 1990 – 1992 | 1 | |
| Linden, Göran | Göran Linden | Actor | 1990 – 1992 | 1 | |
| Leveston, Glenis | Glenis Leveston | Actor | 1990 – 1991 | 5 | |
| Lianos, Periklis | Periklis Lianos | Actor | 1990 – 1991 | 2 | |
| Lebsanft, Wiggo, | Wiggo Lebsanft | Actor | 1990 | 2 | |
| Lössl, Josefin | Josefin Lössl | Actor | 1990 | 1 | |
| Lynn, Abby | Abby Lynn | Actor | 1990 | 1 | |
| Luiza, Natália, | Natália Luiza | Actor | 1990 | 2 | |
| Lund-Roland, Svein, | Svein Lund-Roland | Designer | 1990 | 4 | |
| Larsson, Christer, | Christer Larsson | Mask Maker | 1990 | 3 | |
| Lundstrøm, Sivert, | Sivert Lundstrøm | Actor | 1990 | 1 | |
| Lie, Elisabeth, | Elisabeth Lie | Actor | 1990 | 1 | |
| Lilja-Svensson, Margareta | Margareta Lilja-Svensson | Producer | 1990 | 3 | |
| Lunn, Jonathan | Jonathan Lunn | Dancer | 1990 | 2 | |
| Ling, Peter | Peter Ling | Designer | 1990 | 2 | |
| Lautenbach, Joachim | Joachim Lautenbach | Actor | 1990 | 2 | |
| Lykke, Lizzi | Lizzi Lykke | Actor | 1990 | 1 | |
| Larsen, Niels Emil | Niels Emil Larsen | Lighting Designer | 1990 | 1 | |
| Lipkin, Lisa | Lisa Lipkin | Actor | 1990 | 1 | |
| Lozach, Alain | Alain Lozach | Actor, Designer | 1990 | 2 | |
| Liotta, Rosemary | Rosemary Liotta | Costume Designer | 1990 | 1 | |
| Liebau, Jürgen | Jürgen Liebau | Mask Maker | 1990 | 1 | |
| La Paglia, Anthony M. | Anthony M. La Paglia | Actor | 1990 | 1 | |
| Lorenz, Frank | Frank Lorenz | Actor | 1990 | 1 | |
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