| Loughlin, Lani | Lani Loughlin | Actor | 1991 - 1992 | 2 | |
| Larsen, Svend | Svend Larsen | Actor | 1991 | 1 | 1 |
| Lindberg, Johanne | Johanne Lindberg | Actor | 1991 | 1 | |
| Loney, Michael | Michael Loney | Actor | 1991 | 1 | |
| Lindberg, Pernille | Pernille Lindberg | Actor | 1991 | 1 | |
| Lund, Christoffer Brække | Christoffer Brække Lund | Actor | 1991 | 1 | |
| Levonjan, Khoren | Khoren Levonjan | Actor | 1991 | 2 | |
| Loenen, Rocco, van | Rocco van Loenen | Actor | 1991 | 1 | |
| Laurin, Ginette | Ginette Laurin | Choreographer | 1991 | 1 | |
| Lamothe, Jean-Jacques | Jean-Jacques Lamothe | Actor | 1991 | 2 | |
| Lussier, Manon | Manon Lussier | Actor | 1991 | 2 | |
| Lavoie, Robert | Robert Lavoie | Actor | 1991 | 2 | |
| Legramandi, Antonella | Antonella Legramandi | Actor | 1991 | 1 | |
| Lyckow, Maria | Maria Lyckow | Actor | 1991 | 21 | |
| Láng, Balázs | Balázs Láng | Actor | 1991 | 1 | |
| Linnenbrügger, Wolfgang | Wolfgang Linnenbrügger | Actor | 1991 | 1 | |
| Larrinaga, Dan | Dan Larrinaga | Actor | 1991 | 1 | |
| Loef, Jeroen | Jeroen Loef | Actor | 1991 | 1 | |
| Lukeš, Vlastimil | Vlastimil Lukeš | Actor | 1991 | 1 | |
| Lentino, Lea, Campbell | Lea Campbell Lentino | Lighting Designer | 1991 | 1 | |
| Larson, Mark | Mark Larson | Actor | 1991 | 1 | 1 |
| Lehmann, Wilfried | Wilfried Lehmann | Actor | 1991 | 2 | |
| Langhans, Jürgen | Jürgen Langhans | Actor | 1991 | 4 | |
| Latham, Maxton | Maxton Latham | Actor | 1991 | 1 | |
| Litterati-Végh, László | László Litterati-Végh | Dramaturg | 1991 | 1 | |
| Lagreze, Christian | Christian Lagreze | Actor | 1991 | 1 | |
| Larys, Jürgen | Jürgen Larys | Actor | 1991 | 8 | 1 |
| Larsson, Iréne | Iréne Larsson | Actor | 1991 | 3 | |
| Lindström, Pelle | Pelle Lindström | Musician | 1991 | 1 | |
| Lekkas, Dimitris | Dimitris Lekkas | Composer | 1991 | 1 | |
| León, Julio, de | Julio de León | Actor | 1991 | 1 | |
| Landerl, Peter | Peter Landerl | Actor | 1991 | 1 | |
| Livathinos, Stathis | Stathis Livathinos | Actor | 1991 | 1 | |
| Lerca, Constanța | Constanța Lerca | Actor | 1991 | 1 | |
| Landolt, Marcel | Marcel Landolt | Actor | 1991 | 2 | |
| Landis, Heiri | Heiri Landis | Actor | 1991 | 2 | |
| Llorente, Juan Pablo | Juan Pablo Llorente | Actor | 1991 | 1 | |
| Leonard, John A. | John A. Leonard | Sound Designer | 1990 - 2015 | 10 | |
| Linaios, Stefanos | Stefanos Linaios | Actor, Director, Translator | 1990 - 2012 | 6 | |
| Lindström, Marika | Marika Lindström | Actor | 1990 - 2006 | 4 | 1 |
| Lodwig, Ulrike | Ulrike Lodwig | Actor | 1990 - 2005 | 7 | |
| Lenz, Angelika | Angelika Lenz | Costume Designer, Designer | 1990 - 2004 | 7 | |
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