| Leon, Eva, | Eva Leon | Actor | 1918 - 1919 | 1 | |
| Leon, Josephine, | Josephine Leon | Actor | 1908 | 1 | |
| León, Juan | Juan León | Designer, Dramaturg | 1958 | 9 | |
| León, Julio, de | Julio de León | Actor | 1991 | 1 | |
| Leon, Petros, | Petros Leon | Actor | 1901 - 1912 | 22 | |
| Leon, Philippa | Philippa Leon | Actor | 2003 | 2 | |
| Leon, Sonia, | Sonia Leon | Actor | 2012 | 1 | |
| Leon, Sydney | Sydney Leon | Actor | 1918 | 1 | |
| Léon, Viktor, | Viktor Léon | Director | 1898 | 1 | |
| Leonard, Arthur | Arthur Leonard | Actor | 1928 | 1 | |
| Léonard, Christian, | Christian Léonard | Actor, Lighting Designer | 1975 - 1984 | 11 | |
| Leonard, Clementine | Clementine Leonard | Actor | 2018 | 1 | |
| Léonard, Delphine | Delphine Léonard | Actor | 2008 | 3 | |
| Leonard, H.V. | H. V. Leonard (H.V. Leonard) | Actor | 1926 | 2 | |
| Leonard, Hugh | Hugh Leonard | Adaptation | 1961 | 1 | |
| Leonard, James | James Leonard | Actor | 1947 | 1 | |
| Leonard, John | John Leonard | Sound Designer | 2003 - 2016 | 9 | |
| Leonard, John A., | John A. Leonard (John A. Leonard) | Sound Designer | 1990 - 2015 | 10 | |
| Leonard, Lionel | Lionel Leonard | Actor | 1925 | 2 | |
| Leonard, Lydia | Lydia Leonard | Actor | 2015 - 2016 | 2 | |
| Leonard, Sadie | Sadie Leonard | Actor | 2014 | 1 | |
| Leonardi, Anna, | Anna Leonardi | Actor | 1917 | 1 | |
| Leonardi, Coco | Coco Leonardi | Actor | 1994 - 1996 | 2 | |
| Leonardi, Silvia | Silvia Leonardi | Actor | 1985 | 1 | |
| Leone, Leon Di | Leon Di Leone | Designer, Lighting Designer | 1984 | 2 | |
| Leone-Ganado, Philip | Philip Leone-Ganado | Actor | 2018 | 1 | |
| Leonescu , Vasile | Vasile Leonescu | Actor, Director | 1895 | 3 | |
| Leonescu, Adriana | Adriana Leonescu | Costume Designer, Designer | 1969 - 1970 | 2 | |
| Leong, Terry | Terry Leong | Costume Designer | 2001 | 1 | |
| Leonhardt , Wieland | Wieland Leonhardt | Mask Maker | 1956 | 1 | |
| Leonhardt, Dieter | Dieter Leonhardt | Actor | 1982 | 1 | |
| Leonhardt, Herbert | Herbert Leonhardt | Actor | 1966 | 2 | |
| Leoni, Frk., | Frk. Leoni | Actor | 1898 | 1 | |
| Leoni, Leo | Leo Leoni | Mask Maker | 1971 | 2 | |
| Leonidov, Leonid, | Leonid Leonidov | Actor | 1900 | 4 | |
| Leonie, Aenne | Aenne Leonie | Actor | 1914 | 1 | |
| Leonovitch, Andrey | Andrey Leonovitch | Actor | 2005 - 2006 | 2 | |
| Leonowicz, Wojciech | Wojciech Leonowicz | Actor | 2006 - 2008 | 3 | |
| Leontiadis, Sotiris | Sotiris Leontiadis | Actor | 1984 - 1985 | 2 | |
| Leontos, Maria, | Maria Leontos | Actor | 1912 | 1 | |
| Leopold, Manfred | Manfred Leopold | Musician | 1985 | 1 | |
| Leopold, Richard, | Richard Leopold | Actor | 1905 | 3 | |
|
|
Contributors
