| Krüger, Charlotte | Charlotte Krüger | Actor | 1919 - 1943 | 3 | |
| Kerekes, Judit | Judit Kerekes | Choreographer | 2010 | 1 | |
| Krauß, Mrs. | Mrs. Krauß | Actor | 1898 - 1902 | 5 | |
| Komínek, Petr | Petr Komínek | Actor | 2011 | 1 | |
| Kalužíková, Markéta | Markéta Kalužíková (Markéta žíková) | Actor | 2011 | 1 | |
| Kroneisl, Jan | Jan Kroneisl | Actor | 2011 | 1 | |
| Kaštická, Olga | Olga Kaštická | Actor | 2011 | 1 | |
| Klíč, Josef | Josef Klíč | Composer | 2011 | 1 | |
| Kaser, Ludwig | Ludwig Kaser | Actor, Director | 1878 - 1914 | 26 | |
| Kießling, Käthe | Käthe Kießling | Actor | 1907 - 1919 | 14 | |
| Knapp, Jesper | Jesper Knapp | Actor | 2004 - 2006 | 27 | |
| Kokkonen, Lauri | Lauri Kokkonen | Lighting Designer | 1972 - 1975 | 2 | |
| Kärkinen, Kaija | Kaija Kärkinen | Actor | 1992 - 1994 | 2 | |
| Kilinger, Mimi | Mimi Kilinger | Actor | 1971 | 1 | |
| Krejcir, Elisabeth | Elisabeth Krejcir | Actor | 1971 - 1985 | 3 | |
| Kreimer, Artem | Artem Kreimer | Actor | 2011 | 1 | |
| Korina, David | David Korina | Designer | 2011 | 1 | |
| Krause, Karl | Karl Krause | Actor, Director | 1894 - 1911 | 24 | |
| Kley, Wilhelmina | Wilhelmina Kley | Actor | 1917 - 1925 | 2 | |
| Karina, Staicova | Staicova Karina | Designer | 2008 - 2010 | 4 | |
| Kinga, Luca | Luca Kinga | Choreographer | 2010 | 2 | |
| Kas'janova, Gennadija | Gennadija Kas'janova | Director | 2004 | 1 | |
| Kaalstad, Nils Jørgen | Nils Jørgen Kaalstad | Actor | 1992 - 2020 | 5 | |
| Kleiva, Dagny Drage | Dagny Drage Kleiva | Costume Designer, Designer | 2009 - 2015 | 40 | |
| Klepikov, Anya | Anya Klepikov | Costume Designer, Designer | 2011 | 2 | |
| Kruger, Ben | Ben Kruger | Actor | 1985 | 1 | |
| Kilavuz, Aram | Aram Kilavuz | Actor | 2010 | 8 | |
| Karabekir, Jale | Jale Karabekir | Director, Translator | 2010 - 2018 | 17 | |
| Kassabi, Nathan | Nathan Kassabi | Actor | 2010 - 2011 | 2 | |
| Kordeck, Hans | Hans Kordeck | Actor | 2002 | 1 | |
| Koch, Cedric Joel | Cedric Joel Koch | Actor | 2011 - 2012 | 2 | |
| Kingsley, Barbara J. | Barbara J. Kingsley | Actor | 1975 | 1 | |
| Kostolitz, Stefan | Stefan Kostolitz | Actor | 2010 | 1 | |
| Kinnear, Sherry | Sherry Kinnear | Costume Designer | 2011 | 2 | |
| Kane, Jeanine | Jeanine Kane | Actor | 2004 - 2021 | 3 | |
| Kane, Brigid | Brigid Kane | Actor | 2011 | 1 | |
| Kane, Fiona | Fiona Kane | Actor | 2011 | 1 | |
| Khare, Lavanya | Lavanya Khare | Costume Designer | 2010 | 1 | |
| Kher, Shikha | Shikha Kher | Sound Designer | 2010 | 1 | |
| Krondiris, Giorgos | Giorgos Krondiris | Actor | 2010 | 1 | |
| Karmona, Benito | Benito Karmona | Actor | 2009 | 1 | |
| Kook, Beryl | Beryl Kook | Actor | 1917 - 1930 | 2 | |
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