| Kabanova, L. | L. Kabanova | Actor | 1999 | 2 | |
| Kawakami, Natsuyo | Natsuyo Kawakami | Actor | 1978 | 2 | |
| Kuhn, Natalie | Natalie Kuhn | Dramaturg | 2002 | 2 | |
| Krosigk, Friederike v. | Friederike v. Krosigk | Actor | 2002 | 2 | |
| Keip, Thomas | Thomas Keip | Costume Designer, Designer | 1999 | 2 | |
| Kovács, Nóra, | Nóra Kovács | Actor, Director | 2005 | 2 | |
| Krause, Christian | Christian Krause | Actor | 1993 | 2 | |
| Kupke, Tatjana | Tatjana Kupke | Actor | 1973 | 2 | |
| Kemps, Niek | Niek Kemps | Costume Designer, Designer | 1979 | 2 | |
| Kashiyama, Fumie | Fumie Kashiyama | Actor | 1986 - 2002 | 2 | |
| Křízková, Jarmila | Jarmila Křízková | Costume Designer, Designer | 1998 | 2 | |
| Khokon, Nasirul Haque | Nasirul Haque Khokon | Lighting Designer | 2001 | 2 | |
| Kibria, Golam | Golam Kibria | Actor | 2001 | 2 | |
| Kruszewski, Antoni, | Antoni Kruszewski | Actor | 1885 - 1887 | 2 | |
| Kelly, Sarah | Sarah Kelly | Actor, Dancer | 2000 - 2004 | 2 | |
| Klipstein, Ernst Vollrath v., | Ernst Vollrath v. Klipstein (Ernst Vollrath v. Klipstein) | Actor | 1932 | 2 | |
| Klein, Frieder | Frieder Klein | Designer | 1971 | 2 | |
| Komanns, Paul Josef | Paul Josef Komanns | Designer | 1959 | 2 | |
| Kol'cov, Ju. | Ju. Kol'cov | Actor | 1939 | 2 | |
| Kulesa, Tom | Tom Kulesa | Actor | 1994 - 1997 | 2 | |
| Klaers, Michael | Michael Klaers | Lighting Designer | 1999 - 2010 | 2 | |
| Keegan, Hugh | Hugh Keegan | Director, Lighting Designer | 1974 - 2008 | 2 | |
| Kwa, Kimberly Anne | Kimberly Anne Kwa | Lighting Designer | 2007 - 2011 | 2 | |
| Kuhn, -, | - Kuhn | Actor | 1918 | 2 | |
| Kara, Tunde | Tünde Kara (Tunde Kara) | Actor | 2005 | 2 | |
| Kokkonen, Lauri | Lauri Kokkonen | Lighting Designer | 1972 | 2 | |
| Kärkinen, Kaija, | Kaija Kärkinen | Actor | 1992 - 1994 | 2 | |
| Kley, Wilhelmina | Wilhelmina Kley | Actor | 1917 | 2 | |
| Kinga, Luca | Luca Kinga | Choreographer | 2010 | 2 | |
| Klepikov, Anya | Anya Klepikov | Costume Designer, Designer | 2011 | 2 | |
| Kassabi, Nathan | Nathan Kassabi | Actor | 2010 | 2 | |
| Koch, Cedric Joel | Cedric Joel Koch | Actor | 2011 - 2012 | 2 | |
| Kinnear, Sherry | Sherry Kinnear | Costume Designer | 2011 | 2 | |
| Kidd, Steve | Steve Kidd | Actor | 2004 - 2011 | 2 | |
| Kane, Jeanine | Jeanine Kane | Actor | 2004 - 2011 | 2 | |
| Kook, Beryl | Beryl Kook | Actor | 1917 | 2 | |
| Kerpen, Lori | Lori Kerpen | Actor | 1952 | 2 | |
| Kerlé, Heta | Heta Kerlé | Costume Designer | 1954 | 2 | |
| Kaniusonis, Vytautas | Vytautas Kaniusonis | Actor | 2007 | 2 | 2 |
| Kawecki, Kathryn | Kathryn Kawecki | Designer | 2010 - 2011 | 2 | |
| Köhler, Ole | Ole Köhler | Actor | 2011 - 2012 | 2 | |
| Koehler, Selma | Selma Koehler | Actor | 2011 - 2012 | 2 | |
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