| Käyhkö, Aku | Aku Käyhkö | Actor, Director | 1930 | 2 | |
| Komm, Matthias | Matthias Komm | Designer, Director | 2000 | 2 | |
| Kramer, Abner, M. | Abner M. Kramer | Actor | 1932 | 2 | |
| Kleinbach, Henry | Henry Kleinbach | Actor | 1932 | 2 | |
| Karremans, Lisette | Lisette Karremans | Actor, Costume Designer | 2000 | 2 | |
| Katlaps, Žanis | Žanis Katlaps | Actor | 1934 - 1937 | 2 | |
| Kolyvas, Christoforos | Christoforos Kolyvas | Actor | 1934 | 2 | |
| Kiefer, Daniela | Daniela Kiefer | Actor | 1999 | 2 | |
| Kazarine, Serge | Serge Kazarine | Actor | 1936 | 2 | |
| Kaloč j. h., Zdenĕk | Zdenĕk Kaloč j. h. | Adaptation, Director | 1999 | 2 | |
| Karras, Kostas | Kostas Karras | Actor | 1999 | 2 | |
| Kounelis, Giannis | Giannis Kounelis | Actor | 1999 | 2 | |
| Kotzias, Dimitris | Dimitris Kotzias | Actor | 1999 | 2 | |
| Koutsoukos, Sakis | Sakis Koutsoukos | Musical Director | 1999 | 2 | |
| Kraft, Evi | Evi Kraft | Actor | 1999 | 2 | |
| Kitzing, Tina | Tina Kitzing | Costume Designer, Designer | 1999 | 2 | |
| Krämer, Susanne | Susanne Krämer | Actor | 1999 | 2 | |
| Kunze, Ulrike | Ulrike Kunze | Costume Designer, Designer | 1999 | 2 | |
| Kättner, Christine | Christine Kättner | Actor | 1999 | 2 | |
| Kurecki, Beate | Beate Kurecki | Actor | 1999 | 2 | |
| Kopyto, Erica | Erica Kopyto | Actor | 1999 | 2 | |
| Kiss, László Felhőfi | László Felhőfi Kiss | Designer, Director | 1999 | 2 | |
| Krotczek, Leon | Leon Krotczek | Actor | 2000 - 2001 | 2 | |
| Kuricová, Anna-Maria | Anna-Maria Kuricová | Actor | 2000 - 2001 | 2 | |
| Konwalinka, Gabriele | Gabriele Konwalinka | Actor | 2000 - 2001 | 2 | |
| Knaup, Andreas | Andreas Knaup | Director | 2000 - 2001 | 2 | |
| Kurtenbach, Christian S. | Christian S. Kurtenbach | Mask Maker | 2000 - 2001 | 2 | |
| Kayser, Karl | Karl Kayser | Actor | 1934 | 2 | |
| Krausemann, Frieda | Frieda Krausemann | Actor | 1896 | 2 | |
| Kreymann, Ludwig | Ludwig Kreymann | Actor | 1896 | 2 | |
| Klebe, Johanna | Johanna Klebe | Actor | 1922 | 2 | |
| Kopal, Robert | Robert Kopal | Actor | 1906 - 1919 | 2 | |
| Kingman, Henry, S. | Henry S. Kingman | Actor | 1940 | 2 | |
| Kelley, Elsie | Elsie Kelley | Actor | 1940 | 2 | |
| Kelly, Frances | Frances Kelly | Actor | 1940 | 2 | |
| Kingbay, Kay | Kay Kingbay | Actor | 1940 | 2 | |
| Kuchle, Albert | Albert Kuchle | Actor | 1902 | 2 | |
| Krayer, Sophie | Sophie Krayer | Costume Designer, Designer | 2017 | 2 | |
| Karpenko, Aleksey | Aleksey Karpenko | Choreographer | 2016 - 2022 | 2 | |
| Katzin, Richard | Richard Katzin | Actor | 1942 | 2 | |
| Keller, Kurt | Kurt Keller | Actor | 1903 - 1904 | 2 | |
| Kovács, Nikolett | Nikolett Kovács | Actor | 2014 | 2 | |
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