| 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 | |
| Krupianka, Hanna | Hanna Krupianka | Actor | 1973 | 1 | |
| Kostecki, Wojciech | Wojciech Kostecki | Actor | 1973 | 1 | |
| Kraus, Kai | Kai Kraus | Actor | 1973 | 1 | |
| Kerst, Alexander | Alexander Kerst | Actor | 1973 | 1 | |
| Kneen, Meryl | Meryl Kneen | Costume Designer | 1973 | 1 | |
| Knowland, Oliver | Oliver Knowland | Actor | 1973 | 1 | |
| Krajewicz, Adam | Adam Krajewicz | Actor | 1973 | 1 | |
| Kelly, Martha | Martha Kelly | Costume Designer | 1973 | 1 | |
| Kokejl, Franta | Franta Kokejl | Actor | 1973 | 1 | |
| Kuželová, Lída | Lída Kuželová | Actor | 1973 | 1 | |
| Klička, Ivan | Ivan Klička | Actor | 1973 | 1 | |
| Kafkaridis, Vladimiros | Vladimiros Kafkaridis | Actor | 1973 | 7 | |
| Kaulfuss, Uta | Uta Kaulfuss | Dramaturg | 1973 | 1 | |
| Klisch, Gerhard | Gerhard Klisch | Actor | 1973 | 1 | |
| Krogh, Freda | Freda Krogh | Actor | 1973 | 1 | |
| Kael, Paul | Paul Kael | Producer | 1973 | 1 | |
| Kirkman, Penny | Penny Kirkman | Actor | 1973 - 1977 | 2 | |
| Kasdaglis, Giannis | Giannis Kasdaglis | Actor | 1973 - 1985 | 10 | |
| Kemmer, Peter Jochen | Peter Jochen Kemmer | Actor | 1973 - 1987 | 4 | |
| Karge, Manfred | Manfred Karge | Actor, Adaptation, Director | 1973 - 1994 | 5 | 1 |
| Kolodziej, Barbara | Barbara Kolodziej | Costume Designer | 1973 - 1994 | 2 | |
| Kiran, Hartvig | Hartvig Kiran | Translator | 1973 - 1995 | 2 | 1 |
| Kerr, Philip | Philip Kerr | Actor | 1973 - 1998 | 2 | |
| Koolschijn, Hugo | Hugo Koolschijn | Actor | 1973 - 2003 | 39 | 1 |
| Kriegeskotte, Hedi | Hedi Kriegeskotte | Actor | 1973 - 2014 | 9 | 1 |
| Kasten, Thomas | Thomas Kasten | Actor | 1973 - 2014 | 6 | |
| Kaminski, Keith | Keith Kaminski | Actor | 1974 | 1 | |
| Karele, Aina | Aina Karele | Actor | 1974 | 1 | |
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