| Kulesa, Tom | Tom Kulesa | Actor | 1994 - 1997 | 2 | |
| Kulerman, Ruth | Ruth Kulerman | Actor | 2000 | 1 | |
| Külekçi, Fatma | Fatma Külekçi | Dancer | 1956 | 1 | |
| Kulczyk, Todd | Todd Kulczyk | Director | 2002 | 1 | 1 |
| Kulcsár, Viktória | Viktória Kulcsár | Actor | 2012 | 1 | 1 |
| Kulcsár, Imre | Imre Kulcsár | Actor | 1983 | 1 | |
| Kulaš, Leo | Leo Kulaš | Costume Designer | 1991 - 2025 | 6 | |
| Kulan, Ertekin | Ertekin Kulan | Lighting Designer | 1960 | 1 | |
| Kulak, Alex | Alex Kulak | Actor | 2018 | 1 | |
| Kulagin, Valentin, Olegovič | Valentin Olegovič Kulagin | Actor | 2019 | 1 | |
| Kulagin, L. | L. Kulagin | Actor | 2002 | 1 | |
| Kukulies, Ronald | Ronald Kukulies | Actor | 2006 - 2012 | 4 | 2 |
| Kukulies, Martin | Martin Kukulies | Costume Designer, Designer | 1998 - 2001 | 5 | |
| Kukowka, Hans-Joachim | Hans-Joachim Kukowka | Actor | 1959 | 1 | |
| Kukov, Michael | Michael Kukov | Actor | 1992 | 1 | |
| Kukla, Otto | Otto Kukla | Actor, Designer, Director | 2003 - 2013 | 5 | 1 |
| Kukla, Jan | Jan Kukla | Actor | 2006 | 1 | |
| Kukkonen, Kari | Kari Kukkonen | Actor | 2006 | 1 | |
| Kukkola, Tapani | Tapani Kukkola | Actor | 2002 | 1 | |
| Kukkola, Katja | Katja Kukkola | Actor | 2001 | 2 | 1 |
| Kukic, Zivorad | Zivorad Kukic | Designer | 1984 | 1 | |
| Kukhianidze, Teo | Teo Kukhianidze | Designer | 2011 | 1 | |
| Kükemezey, Vilma | Vilma Kükemezey | Actor | 1890 | 2 | |
| Kukathas, Jo | Jo Kukathas | Actor | 2025 | 1 | |
| Kujszczuk, Magdalena | Magdalena Kujszczuk | Designer | 1997 | 1 | |
| Kujawski, Igor | Igor Kujawski | Actor | 1986 - 2010 | 2 | |
| Kujanpää, Ari | Ari Kujanpää | Actor | 1980 | 1 | |
| Kuivasto, Marjatta | Marjatta Kuivasto | Designer | 2006 | 1 | |
| Kuivalainen, Mirva | Mirva Kuivalainen | Actor | 2007 | 1 | |
| Kuitunen, Jetta | Jetta Kuitunen | Producer | 1997 | 1 | |
| Kuisma, Katariina | Katariina Kuisma | Actor, Dancer | 1994 | 3 | |
| Kuiper, Pieter | Pieter Kuiper | Actor | 2006 | 4 | |
| Kuiper, Marcella | Marcella Kuiper | Actor | 1991 | 1 | |
| Kuikka, Santeri | Santeri Kuikka | Actor | 2004 | 1 | |
| Kuijpers, José | José Kuijpers | Actor | 1998 - 2017 | 97 | |
| Kuijper, Diny | Diny Kuijper | Actor | 1954 | 1 | |
| Kuhr, Paul | Paul Kuhr | Actor | 1936 | 2 | |
| Kühns, Volkmar | Volkmar Kühns | Actor | 1878 - 1890 | 3 | |
| Kuhns, Lawrence | Lawrence Kuhns | Actor | 1939 | 1 | |
| Kühnreich, Christina A. | Christina A. Kühnreich | Actor | 2001 - 2013 | 3 | 1 |
| Kühnmund, Jan | Jan Kühnmund | Actor | 1960 | 1 | |
| Kuhnlein, Sebastian | Sebastian Kuhnlein | Designer | 2015 | 1 | |
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