| 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 - 1982 | 2 | |
| LaVelle, Mark | Mark LaVelle | Actor | 1994 | 1 | |
| Leibovitch, Jaime | Jaime Leibovitch | Actor | 1982 | 4 | |
| Lima, Rogério | Rogério Lima | Actor | 1982 | 8 | |
| Langeneck, Volker | Volker Langeneck | Actor, Musician | 1994 | 2 | |
| Lichtenfeld, Albert | Albert Lichtenfeld | Actor | 1982 | 1 | |
| Leonhardt, Dieter | Dieter Leonhardt | Actor | 1982 | 1 | |
| Lee, John | John Lee | Actor | 1982 | 1 | |
| Lachow, Gregg | Gregg Lachow | Actor | 1982 | 1 | |
| Lopes, Xuxa | Xuxa Lopes | Actor | 1982 | 1 | |
| Lins, Miriam | Miriam Lins | Actor | 1982 | 1 | |
| Lukala, Juha | Juha Lukala | Costume Designer, Designer | 1969 - 1994 | 3 | |
| Litokorpi, Anneli | Anneli Litokorpi | Mask Maker | 1994 | 1 | |
| Lillo-Stenberg, Ole | Ole Lillo-Stenberg | Actor | 1982 | 28 | |
| Lemnitz, Regina | Regina Lemnitz | Actor | 1982 | 1 | |
| Lau, Reinhard | Reinhard Lau | Actor | 1982 | 1 | |
| Luce, Karl | Karl Luce | Actor | 1982 | 1 | |
| Lawless, James J. | James J. Lawless | Actor | 1968 - 1994 | 2 | |
| Lewis, Irene | Irene Lewis | Director | 1994 | 1 | |
| López, Inmaculada, Marín | Inmaculada Marín López | Actor | 2014 | 1 | |
| Lucas, Deugiolino | Deugiolino Lucas | Actor | 1994 | 1 | |
| Legarra, Isabel | Isabel Legarra | Actor | 1994 | 1 | |
| Lázár, Margit | Margit Lázár | Actor | 1890 - 1891 | 3 | |
| Lyon, Robert | Robert Lyon | Actor | 1994 | 1 | |
| Lind, Lane | Lane Lind | Actor | 1980 | 1 | |
| Lehtihalmes, Tauno | Tauno Lehtihalmes | Actor | 1980 | 1 | |
| Ljungblom, Tryggwe | Tryggwe Ljungblom | Sound Designer | 1994 | 1 | |
| Ludlow, Susan | Susan Ludlow | Actor | 1980 | 1 | |
| Lux, Detlef | Detlef Lux | Actor | 1980 - 2004 | 3 | |
| Lanz, Monika | Monika Lanz | Costume Designer | 1980 - 2001 | 2 | |
| Litsis, Errikos | Errikos Litsis | Actor | 2014 | 1 | |
| Lyall-Watson, Katherine | Katherine Lyall-Watson | Director | 1994 | 1 | |
| Lavigne, Paula | Paula Lavigne | Actor | 1994 | 1 | |
| Lindt, Maria | Maria Lindt | Actor | 1994 | 4 | |
| Landing, Hanna | Hanna Landing | Actor | 1971 - 1980 | 3 | |
| Lindholm, Tom | Tom Lindholm | Actor | 1980 | 1 | |
| Lowden, Jack | Jack Lowden | Actor | 2013 - 2015 | 4 | |
| Laamanen, Aarno | Aarno Laamanen | Actor | 1980 | 1 | |
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