| Lenert, Marguerite | Marguerite Lenert | Actor | 1975 | 1 | |
| London, Howard | Howard London | Actor | 1975 | 1 | |
| Lukas, Hans-Willi | Hans-Willi Lukas | Actor | 1975 | 1 | |
| Linden, Jennie | Jennie Linden | Actor | 1975 | 8 | 1 |
| Lämmert, Gunther, W. | Gunther W. Lämmert | Actor | 1975 | 1 | |
| Leitenbauer, Viktor | Viktor Leitenbauer | Mask Maker | 1975 | 1 | |
| Laidlaw, Tom | Tom Laidlaw | Actor | 1975 | 1 | |
| Lendrich, Walter | Walter Lendrich | Actor | 1975 | 1 | |
| Lorenz, Rosemarie | Rosemarie Lorenz | Actor | 1975 | 1 | |
| Lemmy, Klaus | Klaus Lemmy | Actor | 1975 | 1 | |
| Lang, Elke | Elke Lang | Actor | 1975 | 1 | |
| Lehmbrock, Peter | Peter Lehmbrock | Actor | 1975 | 2 | |
| Lazaridis, Stefanos | Stefanos Lazaridis | Designer | 1975 | 1 | |
| Lukan, Sylvia | Sylvia Lukan | Actor | 1975 | 1 | |
| Lederer, Jürgen | Jürgen Lederer | Actor | 1975 | 1 | |
| Loy, John | John Loy | Director | 1975 | 1 | |
| Larsen, Odd | Odd Larsen | Designer | 1975 | 1 | |
| Landelius, Anders | Anders Landelius | Mask Maker, Puppet Designer | 1975 | 2 | |
| Liepins, Harijs | Harijs Liepins | Actor | 1975 | 1 | |
| Livmane, Akvelina | Akvelina Livmane | Actor | 1975 | 1 | |
| Linins, Arnolds | Arnolds Linins | Director | 1975 | 1 | |
| Lühr, Wolfried | Wolfried Lühr | Actor | 1975 | 1 | |
| Lambert, Tonny | Tonny Lambert | Actor | 1975 | 1 | |
| Lidington, Bruce | Bruce Lidington | Actor | 1975 | 1 | |
| Langridge, Michael | Michael Langridge | Actor | 1975 | 1 | |
| Lacaille, Grace | Grace Lacaille | Costume Designer | 1975 | 1 | |
| Lee, Christopher, H. | Christopher H. Lee | Actor | 1975 | 1 | |
| Lucas, Betty | Betty Lucas | Actor | 1975 | 1 | |
| Lander, Allan | Allan Lander | Actor | 1975 | 4 | |
| Lee, Keith | Keith Lee | Actor | 1975 | 3 | |
| Luján, Carmen | Carmen Luján | Actor | 1975 | 1 | |
| López Aranda, Ricardo | Ricardo López Aranda | Adaptation | 1975 | 10 | |
| Lo Giudice, Sonia | Sonia Lo Giudice | Dancer | 1975 | 1 | |
| Lempereur, Chantal | Chantal Lempereur | Actor | 1975 - 1977 | 10 | |
| Liebens, Marc | Marc Liebens | Director | 1975 - 1977 | 10 | 1 |
| Louvet, Jean | Jean Louvet | Dramaturg | 1975 - 1977 | 10 | |
| Logan, Crawford | Crawford Logan | Actor | 1975 - 1979 | 2 | |
| Laffan, Patrick | Patrick Laffan | Director | 1975 - 1984 | 3 | |
| Léonard, Christian | Christian Léonard | Actor, Lighting Designer | 1975 - 1984 | 11 | |
| Longmore, Wyllie | Wyllie Longmore | Actor, Director | 1975 - 1990 | 4 | |
| Loreto, Massimo | Massimo Loreto | Actor | 1975 - 1993 | 12 | |
| Light, Judith | Judith Light | Actor | 1975 - 2001 | 3 | |
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