| Leandrou, Lola | Lola Leandrou | Actor | 1933 | 1 | |
| Liertz, Fritzleo | Fritzleo Liertz | Actor | 1972 | 1 | |
| Lehnkering, Karl-Eugen | Karl-Eugen Lehnkering | Actor | 1951 - 1976 | 5 | |
| Leclair, Jean | Jean Leclair | Actor | 1939 | 3 | |
| Langraf, Eva | Eva Langraf | Actor | 1952 | 2 | |
| Lampeti, Elli | Elli Lampeti | Actor | 1953 - 1954 | 5 | |
| Lalopoulou, Mairi | Mairi Lalopoulou | Actor | 1954 - 1962 | 5 | |
| Lichard, Ivan | Ivan Lichard | Director | 1955 | 1 | |
| Lázničková, J. | J. Lázničková | Actor | 1955 | 1 | |
| Lokša, Jaroslav | Jaroslav Lokša | Actor | 1933 | 3 | |
| Lerch, Josef | Josef Lerch | Actor | 1905 | 1 | |
| Lavela, Antonio, L. | Antonio L. Lavela | Actor | 1962 | 1 | |
| Lucena, Ricardo, Romero | Ricardo Romero Lucena | Actor | 1962 | 1 | |
| López Baeyens, Ana, M. | Ana M. López Baeyens | Actor | 1962 | 1 | |
| Lamprinou, Margarita | Margarita Lamprinou | Actor | 1963 | 2 | |
| Love, Richard | Richard Love | Actor | 1969 | 1 | |
| Lüder-Freiwald, Marg. | Marg. Lüder-Freiwald | Actor | 1908 | 1 | |
| Lawler, Pat | Pat Lawler | Actor | 1978 | 1 | |
| Lampraki, Lina | Lina Lampraki | Actor | 1980 - 1989 | 3 | |
| Luef, Evelyn | Evelyn Luef | Costume Designer, Mask Maker | 1983 | 2 | |
| Lavaste, Kimmo | Kimmo Lavaste | Adaptation, Director | 1983 | 2 | |
| Lågland, Christer | Christer Lågland | Designer | 1983 | 1 | |
| Lymperopoulou, Angeliki | Angeliki Lymperopoulou | Actor | 1984 | 1 | |
| Leslie, James | James Leslie | Designer | 1984 | 1 | |
| Lark, Jumper | Jumper Lark | Actor | 1986 | 1 | |
| Lamberg, Silja | Silja Lamberg | Actor | 1983 | 1 | |
| Lechmann, Leontina | Leontina Lechmann | Actor | 1987 | 1 | |
| Lytra, Froso | Froso Lytra | Actor | 1989 | 1 | |
| Lekberg, J. | J. Lekberg | Actor | 1881 | 1 | |
| Lupton, Tom | Tom Lupton | Actor | 1993 | 1 | |
| Lepavzova, Petja | Petja Lepavzova | Actor | 1993 | 1 | |
| Lerchbaumer, Peter | Peter Lerchbaumer | Actor | 1983 | 2 | |
| Ludwig, Ursula | Ursula Ludwig | Actor | 1983 | 1 | |
| Lubaszenko, Edward | Edward Lubaszenko | Actor | 1983 | 1 | |
| Lammers, Thorvald | Thorvald Lammers | Composer | 1983 | 1 | |
| Lades, Wilhelm | Wilhelm Lades | Dramaturg | 1983 | 2 | |
| Lambert, Gilles | Gilles Lambert | Costume Designer, Designer | 1993 - 2004 | 30 | |
| Lund, Carrie | Carrie Lund | Actor | 1983 | 1 | |
| Lunde, Eloise | Eloise Lunde | Costume Designer | 1983 | 1 | |
| Limacher, Antonia | Antonia Limacher | Actor | 1983 | 4 | |
| Larsson, Wenche | Wenche Larsson | Mask Maker | 1983 | 29 | |
| Lodge, Marty | Marty Lodge | Actor | 1995 | 1 | |
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