| Long, Robyn | Robyn Long | Actor | 2006 | 1 | |
| Long, Roger | Roger Long | Actor | 1960 | 1 | |
| Long, Ronald | Ronald Long | Actor | 1945 | 1 | |
| Long,, Michael | Michael Long | Actor | 1988 | 1 | |
| Longanesi, Leo | Leo Longanesi | Costume Designer, Designer | 1940 | 6 | |
| Longaretti, Laura | Laura Longaretti | Actor | 2008 | 1 | |
| longer, Lenz | Lenz longer | Actor | 2011 | 2 | |
| Longford, Lord | Lord Longford | Costume Designer | 1959 | 1 | |
| Longhi, Ilaria | Ilaria Longhi | Actor | 2024 | 1 | |
| Longhi, Manuela | Manuela Longhi | Actor | 2019 | 1 | |
| Longhurst, Linda | Linda Longhurst | Actor | 1973 | 1 | |
| Longhurst, Rosemary | Rosemary Longhurst | Actor | 2012 | 1 | |
| Longley, Victoria | Victoria Longley | Actor | 1983 - 1986 | 2 | 1 |
| Longmore, Wylie | Wylie Longmore | Actor | 1964 | 1 | |
| Longmore, Wyllie | Wyllie Longmore | Actor, Director | 1975 - 1990 | 4 | |
| Longo, Dorothy | Dorothy Longo | Director | 2018 | 1 | |
| Longo, Marta | Marta Longo | Actor | 2007 | 1 | |
| Longo, Stefania | Stefania Longo | Actor, Adaptation, Director | 2023 | 12 | |
| Longobardi, Vincenzo | Vincenzo Longobardi | Actor | 2022 | 1 | |
| Longrée, Arthur | Arthur Longrée | Actor | 2022 | 1 | |
| Longshore, Irene | Irene Longshore | Actor | 2009 - 2010 | 2 | |
| Longstaff, Christian | Christian Longstaff | Actor | 2022 | 1 | |
| Longstaffe, Abigail | Abigail Longstaffe | Actor | 2008 - 2009 | 2 | |
| Longva, Fredrik | Fredrik Longva | Actor, Director | 2006 - 2022 | 53 | |
| Longwell, Dennis | Dennis Longwell | Actor | 1965 | 1 | |
| Lönnroos, Björn | Björn Lönnroos | Sound Designer | 2000 | 1 | |
| Lonon, Rick | Rick Lonon | Actor | 2000 | 1 | |
| Lonscale, Richard | Richard Lonscale | Actor | 1935 | 1 | |
| Lonsky, Johanna | Johanna Lonsky | Actor | 2004 | 1 | 1 |
| Lontai, István | István Lontai | Actor | 1944 | 1 | |
| Lontou, Afroditi | Afroditi Lontou | Actor | 1967 | 2 | |
| Lonvgvixay, Anna | Anna Lonvgvixay | Actor | 2024 | 1 | |
| Lonza, Tanko | Tanko Lonza | Actor | 1967 - 1977 | 2 | 1 |
| Lonza, Tonko | Tonko Lonza | Adaptation | 2010 | 1 | |
| Loo, Raine | Raine Loo | Actor | 2004 | 1 | 1 |
| Looft, Richard | Richard Looft | Assistant Director | 1989 - 1991 | 3 | |
| Loomis, Dodd | Dodd Loomis | Director | 2009 | 1 | |
| Loomis, Eva | Eva Loomis | Actor | 1995 | 1 | |
| Loomis, Evelyn | Evelyn Loomis | Actor | 1906 - 1907 | 6 | |
| Loomis, Harrison | Harrison Loomis | Actor | 1935 | 1 | |
| Looney, Rhea | Rhea Looney | Actor | 1965 | 1 | |
| Loorits, Leida | Leida Loorits | Actor | 1943 | 1 | |
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