| Lorimer, Paolo | Paolo Lorimer | Actor | 1993 | 1 | |
| LeGrand, Stephen | Stephen LeGrand | Sound Designer | 1993 | 2 | |
| Leverett , James | James Leverett | Adaptation, Dramaturg | 1993 – 2009 | 4 | |
| Lohr, Fred | Fred Lohr | Actor | 1993 | 1 | |
| Linnell, Sherry | Sherry Linnell | Costume Designer | 1993 | 1 | |
| Loughlin, Lani | Lani Loughlin | Actor | 1991 – 1992 | 2 | |
| Lekkas, Dimitris | Dimitris Lekkas | Composer | 1991 – 1992 | 1 | |
| Loughran, Nathan | Nathan Loughran | Actor | 1993 | 1 | |
| Lyford, Don | Don Lyford | Actor | 1993 | 1 | |
| León, Julio, de | Julio de León | Actor | 1991 | 1 | |
| Löw, Victor | Victor Löw | Actor | 1993 | 1 | |
| Lageveen, Geert | Geert Lageveen | Actor | 1993 | 1 | |
| Lute, Tessa | Tessa Lute | Costume Designer | 1993 | 1 | |
| Landertinger, Erika | Erika Landertinger | Costume Designer | 1977 – 2001 | 6 | |
| Leding, Dagmar | Dagmar Leding | Dramaturg | 1993 | 1 | |
| Landerl , Peter | Peter Landerl | Actor | 1991 | 1 | |
| Larsen, Jørgen, W. | Jørgen W. Larsen | Actor | 1993 – 2014 | 6 | |
| Lohmann, Lars | Lars Lohmann | Actor | 1977 – 2002 | 11 | |
| Lingsveld, Beatrice | Beatrice Lingsveld | Choreographer | 1993 | 1 | |
| Ludwig, Dagmar | Dagmar Ludwig | Musician | 1993 | 1 | |
| Laube, Miriam | Miriam Laube | Actor | 1993 | 1 | |
| Lewis, Jim | Jim Lewis | Actor, Adaptation, Dramaturg | 1961 – 2001 | 3 | |
| Livathinos, Stathis | Stathis Livathinos | Actor | 1991 – 1992 | 1 | |
| Leskó, Róbert | Róbert Leskó | Actor | 1999 | 1 | |
| Lateef, Sheeba | Sheeba Lateef | Actor | 2014 | 1 | |
| Lovery, Christina | Christina Lovery | Costume Designer | 2014 – 2016 | 3 | |
| Laczkó, Aranka | Aranka Laczkó | Actor | 1889 – 1927 | 11 | |
| Lichtenberg, Marlene | Marlene Lichtenberg | Actor | 2014 | 2 | |
| Loubaton, Denis | Denis Loubaton | Actor | 1994 | 1 | |
| Lepecq, Benoît | Benoît Lepecq | Actor | 1994 | 1 | |
| Loft, Tim | Tim Loft | Actor | 1994 | 1 | |
| Lacher, Shenja | Shenja Lacher | Actor | 2004 – 2016 | 8 | |
| Löffler, Tobias | Tobias Löffler | Lighting Designer | 2006 – 2016 | 8 | |
| Lenz, Friedrich | Friedrich Lenz | Actor | 1982 | 1 | |
| Lis, Zofia | Zofia Lis | Actor | 1982 | 1 | |
| Lindblom, Sisela | Sisela Lindblom | Actor | 1994 | 1 | |
| Lechowich, Richard | Richard Lechowich | Actor | 1982 | 1 | |
| Leff, Thomas | Thomas Leff | Designer, Lighting Designer | 1982 | 2 | |
| Ledwoch, Bert | Bert Ledwoch | Actor | 1980 | 2 | |
| LaVelle, Mark | Mark LaVelle | Actor | 1994 | 1 | |
| Leibovitch, Jaime | Jaime Leibovitch | Actor | 1982 | 4 | |
| Lima, Rogério | Rogério Lima | Actor | 1982 | 8 | |
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