| Krauß, Mrs. | Mrs. Krauß (Mrs. Krauß) | Actor | 1898 - 1902 | 5 | |
| Komínek, Petr | Petr Komínek (Petr Komínek) | Actor | 2011 | 1 | |
| Kalužíková, Markéta | Markéta Kalužíková (Markéta žíková) | Actor | 2011 | 1 | |
| Kroneisl, Jan | Jan Kroneisl (Jan Kroneisl) | Actor | 2011 | 1 | |
| Kaštická, Olga | Olga Kaštická (Olga Kaštická) | Actor | 2011 | 1 | |
| Kießling, Käthe | Käthe Kießling (Käthe Kießling) | Actor | 1907 - 1919 | 14 | |
| Knapp, Jesper | Jesper Knapp (Jesper Knapp) | Actor | 2004 - 2006 | 27 | |
| Kärkinen, Kaija | Kaija Kärkinen (Kaija Kärkinen) | Actor | 1992 - 1994 | 2 | |
| Kilinger, Mimi | Mimi Kilinger (Mimi Kilinger) | Actor | 1971 | 1 | |
| Krejcir, Elisabeth | Elisabeth Krejcir (Elisabeth Krejcir) | Actor | 1971 - 1985 | 3 | |
| Kreimer, Artem | Artem Kreimer (Artem Kreimer) | Actor | 2011 | 1 | |
| Kley, Wilhelmina | Wilhelmina Kley (Wilhelmina Kley) | Actor | 1917 - 1925 | 2 | |
| Klára, Tompa | Tompa Klára (Tompa Klára) | Actor | 1905 - 2010 | 7 | 8 |
| Kaalstad, Nils Jørgen | Nils Jørgen Kaalstad (Nils Jørgen Kaalstad) | Actor | 1992 - 2020 | 5 | |
| Kruger, Ben | Ben Kruger (Ben Kruger) | Actor | 1985 | 1 | |
| Kilavuz, Aram | Aram Kilavuz (Aram Kilavuz) | Actor | 2010 | 8 | |
| Kassabi, Nathan | Nathan Kassabi (Nathan Kassabi) | Actor | 2010 - 2011 | 2 | |
| Kordeck, Hans | Hans Kordeck (Hans Kordeck) | Actor | 2002 | 1 | |
| Koch, Cedric Joel | Cedric Joel Koch (Cedric Joel Koch) | Actor | 2011 - 2012 | 2 | |
| Kingsley, Barbara J. | Barbara J. Kingsley (Barbara J. Kingsley) | Actor | 1975 | 1 | |
| Kostolitz, Stefan | Stefan Kostolitz (Stefan Kostolitz) | Actor | 2010 | 1 | |
| Kidd, Steve | Steve Kidd (Steve Kidd) | Actor | 2004 - 2021 | 3 | 1 |
| Kane, Jeanine | Jeanine Kane (Jeanine Kane) | Actor | 2004 - 2021 | 3 | |
| Kane, Brigid | Brigid Kane (Brigid Kane) | Actor | 2011 | 1 | |
| Kane, Fiona | Fiona Kane (Fiona Kane) | Actor | 2011 | 1 | |
| Krondiris, Giorgos | Giorgos Krondiris (Giorgos Krondiris) | Actor | 2010 | 1 | |
| Karmona, Benito | Benito Karmona (Benito Karmona) | Actor | 2009 | 1 | |
| Kook, Beryl | Beryl Kook (Beryl Kook) | Actor | 1917 - 1930 | 2 | |
| Kerpen, Lori | Lori Kerpen (Lori Kerpen) | Actor | 1952 | 2 | |
| Kölbl, Inge | Inge Kölbl (Inge Kölbl) | Actor | 1943 | 3 | |
| Kaniusonis, Vytautas | Vytautas Kaniusonis (Vytautas Kaniusonis) | Actor | 2007 | 1 | 2 |
| Keliuotytė, Ausra | Ausra Keliuotytė (Ausra Keliuotytė) | Actor | 1988 | 1 | 5 |
| Krahé, Josef | Josef Krahé (Josef Krahé) | Actor | 1928 | 1 | |
| Krause, Milla | Milla Krause (Milla Krause) | Actor | 1889 | 1 | |
| Karp, Kenneth | Kenneth Karp (Kenneth Karp) | Actor | 1973 | 1 | |
| Kuttner, Gabriel | Gabriel Kuttner (Gabriel Kuttner) | Actor | 2011 | 1 | |
| Klein, Gisela | Gisela Klein (Gisela Klein) | Actor | 1902 - 1908 | 3 | |
| Körner, Eduard | Eduard Körner (Eduard Körner) | Actor | 1908 | 1 | |
| Kurth, Peter | Peter Kurth (Peter Kurth) | Actor | 2006 - 2011 | 4 | |
| Köhler, Ole | Ole Köhler (Ole Köhler) | Actor | 2011 | 2 | |
| Koehler, Selma | Selma Koehler (Selma Koehler) | Actor | 2011 | 2 | |
| Knoesen, Pierre | Pierre Knoesen (Pierre Knoesen) | Actor | 1990 | 1 | |
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