| 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 | |
| Kerpen, Lori | Lori Kerpen | Actor | 1952 | 2 | |
| Kowalska, Wanda | Wanda Kowalska | Costume Designer | 2008 | 1 | |
| Kerlé, Heta | Heta Kerlé | Costume Designer | 1954 - 1963 | 2 | |
| Kölbl, Inge | Inge Kölbl | Actor | 1943 | 3 | |
| Ksoll, Josef | Josef Ksoll | Costume Designer | 1943 | 3 | |
| Klausen, Sigurd Aae | Sigurd Aae Klausen | Actor, Director | 1994 - 2011 | 7 | |
| Kovalčiukas, Vladimiras | Vladimiras Kovalčiukas | Designer | 1988 | 1 | |
| Kruszynski, Willy | Willy Kruszynski | Actor, Director | 1900 - 1921 | 4 | |
| Krahé, Josef | Josef Krahé | Actor | 1928 | 1 | |
| Kirchleitner, Lydia | Lydia Kirchleitner | Costume Designer | 2006 - 2019 | 7 | |
| Kappner, Max | Max Kappner | Actor, Director | 1889 | 6 | |
| Krause, Milla | Milla Krause | Actor | 1889 | 1 | |
| Karp, Kenneth | Kenneth Karp | Actor | 1973 | 1 | |
| Klein, Ralph | Ralph Klein | Director | 1973 | 1 | |
| Kuttner, Gabriel | Gabriel Kuttner | Actor | 2011 | 1 | |
| Kawecki, Kathryn | Kathryn Kawecki | Designer | 2010 - 2011 | 2 | |
| Kuzvidza, Farai | Farai Kuzvidza | Lighting Designer | 2010 | 1 | |
| Klein, Gisela | Gisela Klein | Actor | 1902 - 1908 | 3 | |
| Körner, Eduard | Eduard Körner | Actor | 1908 | 1 | |
| Köhler, Ole | Ole Köhler | Actor | 2011 | 2 | |
| Koehler, Selma | Selma Koehler | Actor | 2011 | 2 | |
| Knoesen, Pierre | Pierre Knoesen | Actor | 1990 | 1 | |
| Kehlet, Benjamin | Benjamin Kehlet | Sound Designer | 2010 | 2 | |
| Ketel, James | James Ketel | Actor | 2011 | 1 | |
| Kerr, Roberta | Roberta Kerr | Actor | 2011 | 1 | |
| Kaiser, Alian Viktoria | Alian Viktoria Kaiser | Actor | 2010 | 6 | |
| Kielemoniuk, Emil | Emil Kielemoniuk | Actor | 2010 | 6 | |
| Katzschmann, Christian | Christian Katzschmann | Dramaturg | 2010 - 2022 | 8 | |
| Köllner, Ursula | Ursula Köllner | Actor | 1963 | 2 | |
| Klimm, Eugen | Eugen Klimm | Actor | 1919 - 1956 | 14 | |
| Kun, Pang | Pang Kun | Actor | 2010 | 1 | |
| Kreissman, Jonathan | Jonathan Kreissman | Actor | 1988 | 1 | |
| Knight, David | David Knight | Director | 1984 - 1988 | 2 | |
| Knight, Wendy McClure | Wendy McClure Knight | Choreographer | 1988 | 1 | |
| Kitzmann, - | - Kitzmann | Actor | 1909 | 1 | |
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