| Leoni, Frk. | Frk. Leoni | Actor | 1898 | 1 | |
| Leonhardt, Wieland | Wieland Leonhardt | Mask Maker | 1956 | 1 | |
| Leonhardt, Herbert | Herbert Leonhardt | Actor | 1966 | 2 | |
| Leonhardt, Dieter | Dieter Leonhardt | Actor | 1982 | 1 | |
| Leonhardi, Jonas Friedrich | Jonas Friedrich Leonhardi | Actor | 2020 | 2 | |
| Leong, Terry | Terry Leong | Costume Designer | 2001 | 1 | |
| Leonetti, Gianni | Gianni Leonetti | Director, Lighting Designer | 2016 | 2 | |
| Leonescu, Vasile | Vasile Leonescu | Actor, Director | 1895 - 1908 | 3 | |
| Leonescu, Adriana | Adriana Leonescu | Costume Designer, Designer | 1969 | 2 | |
| Leone, Maria | Maria Leone | Designer | 2013 | 1 | |
| Leone, Leon Di | Leon Di Leone | Designer, Lighting Designer | 1984 | 2 | |
| Leone-Ganado, Philip | Philip Leone-Ganado | Actor | 2018 | 1 | |
| Leonardsen, Siri | Siri Leonardsen | Dancer | 1994 | 4 | |
| Leonardi, Simone | Simone Leonardi | Actor | 2024 - 2025 | 4 | |
| Leonardi, Silvia | Silvia Leonardi | Actor | 1985 | 1 | |
| Leonardi, Coco | Coco Leonardi | Actor | 1994 - 1996 | 2 | |
| Leonardi, Anna | Anna Leonardi | Actor | 1917 | 1 | |
| Leonard, Valerie | Valerie Leonard | Actor | 1999 | 1 | |
| Leonard, Sadie | Sadie Leonard | Actor | 2014 | 1 | |
| Leonard, Lydia | Lydia Leonard | Actor | 2015 - 2016 | 2 | 1 |
| Leonard, Lionel | Lionel Leonard | Actor | 1925 | 2 | |
| Leonard, John A. | John A. Leonard | Sound Designer | 1990 - 2015 | 10 | |
| Leonard, John | John Leonard | Sound Designer | 2003 - 2016 | 9 | |
| Leonard, James | James Leonard | Actor | 1947 | 1 | |
| Leonard, Hugh | Hugh Leonard | Adaptation | 1961 | 1 | |
| Leonard, H.V. | H. V. Leonard (H.V. Leonard) | Actor | 1926 | 2 | |
| Léonard, Delphine | Delphine Léonard | Actor | 2008 | 3 | |
| Leonard, Clementine | Clementine Leonard | Actor | 2018 | 1 | |
| Léonard, Christian | Christian Léonard | Actor, Lighting Designer | 1975 - 1984 | 11 | |
| Leonard, Arthur | Arthur Leonard | Actor | 1928 | 1 | |
| Léon, Viktor | Viktor Léon | Director | 1898 | 1 | |
| Leon, Sydney | Sydney Leon | Actor | 1918 | 1 | |
| Leon, Sonia | Sonia Leon | Actor | 2012 | 1 | |
| Leon, Philippa | Philippa Leon | Actor | 2003 | 2 | |
| Leon, Petros | Petros Leon | Actor | 1901 - 1913 | 22 | |
| León, María | María León | Actor | 2024 - 2025 | 14 | |
| León, Julio, de | Julio de León | Actor | 1991 | 1 | |
| León, Juan | Juan León | Designer, Dramaturg, Set Designer | 1958 - 2008 | 15 | |
| Leon, Josephine | Josephine Leon | Actor | 1908 | 1 | |
| Leon, Eva | Eva Leon | Actor | 1918 | 1 | |
| Leon, Dorothy | Dorothy Leon | Actor | 1950 | 1 | |
| Leon, Dorin | Dorin Leon | Actor | 1972 - 1973 | 2 | |
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