| Konstantonov, Georgij, Viktorovič | Georgij Viktorovič Konstantonov | Director | 1974 | 1 | |
| Klockars, Kristina | Kristina Klockars | Actor | 1974 | 1 | |
| Kidd, John | John Kidd | Actor | 1974 | 1 | |
| Kriegeskotte, Hedi | Hedi Kriegeskotte | Actor | 1973 - 2014 | 9 | 1 |
| Kasten, Thomas | Thomas Kasten | Actor | 1973 - 2014 | 6 | |
| Koolschijn, Hugo | Hugo Koolschijn | Actor | 1973 - 2003 | 39 | 1 |
| Kerr, Philip | Philip Kerr | Actor | 1973 - 1998 | 2 | |
| Kiran, Hartvig | Hartvig Kiran | Translator | 1973 - 1995 | 2 | 1 |
| Karge, Manfred | Manfred Karge | Actor, Adaptation, Director | 1973 - 1994 | 5 | 1 |
| Kolodziej, Barbara | Barbara Kolodziej | Costume Designer | 1973 - 1994 | 2 | |
| Kemmer, Peter Jochen | Peter Jochen Kemmer | Actor | 1973 - 1987 | 4 | |
| Kasdaglis, Giannis | Giannis Kasdaglis | Actor | 1973 - 1985 | 10 | |
| Kirkman, Penny | Penny Kirkman | Actor | 1973 - 1977 | 2 | |
| Kiemle, Andreas | Andreas Kiemle | Actor | 1973 | 1 | |
| Kies-Györkey, Alexander | Alexander Kies-Györkey | Actor | 1973 | 1 | |
| Knautz, Emy | Emy Knautz | Choreographer | 1973 | 1 | |
| Kundt, Karin | Karin Kundt | Actor | 1973 | 1 | |
| Kupke, Tatjana | Tatjana Kupke | Actor | 1973 | 2 | |
| Kies-Györkey, Andrea | Andrea Kies-Györkey | Actor | 1973 | 1 | |
| Kies-Györkey, Wolfram | Wolfram Kies-Györkey | Actor | 1973 | 1 | |
| Kopp, Fred | Fred Kopp | Lighting Designer | 1973 | 1 | |
| Kolbinger, Hannelore | Hannelore Kolbinger | Actor | 1973 | 1 | |
| Karp, Kenneth | Kenneth Karp | Actor | 1973 | 1 | |
| Klein, Ralph | Ralph Klein | Director | 1973 | 1 | |
| Kroeber, Carlos | Carlos Kroeber | Actor | 1973 | 4 | |
| Konthe, Thomas | Thomas Konthe | Actor | 1973 | 1 | |
| Kupka, Karel | Karel Kupka | Composer | 1973 | 1 | |
| Klett, Renate | Renate Klett | Director | 1973 | 1 | 1 |
| Kube, Christian | Christian Kube | Actor | 1973 | 1 | |
| Kooperstein, Maureen | Maureen Kooperstein | Actor | 1973 | 1 | |
| Kohler, John | John Kohler | Actor | 1973 | 1 | |
| Kile, Bruce | Bruce Kile | Actor | 1973 | 1 | |
| Kosiorek, Andrew | Andrew Kosiorek | Lighting Designer | 1973 | 1 | |
| Koppendorfer, Franz | Franz Koppendorfer | Costume Designer, Designer | 1973 | 2 | |
| Kent, Sherryn | Sherryn Kent | Actor | 1973 | 1 | |
| Knauthe, Günther | Günther Knauthe | Actor | 1973 | 1 | |
| Kämpfer, Julika | Julika Kämpfer | Actor | 1973 | 1 | |
| Kepich, Holger | Holger Kepich | Actor | 1973 | 1 | |
| Kohlund, Christian | Christian Kohlund | Actor | 1973 | 1 | |
| Konstantinidis, Kostas | Kostas Konstantinidis | Actor | 1973 | 1 | |
| Kymlicka, Milan | Milan Kymlicka | Composer | 1973 | 1 | |
| Kapstad, Egil | Egil Kapstad | Composer | 1973 | 1 | |
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