| Kyriakou, Eirini | Eirini Kyriakou | Actor | 2016 - 2017 | 2 | |
| Kavvadas, Nikos | Nikos Kavvadas | Actor | 1981 | 10 | |
| Kostova, Anna | Anna Kostova | Actor | 1983 | 1 | |
| Kabaivanova, Blagovesta | Blagovesta Kabaivanova | Actor | 1983 | 1 | |
| Kouros, Nikos | Nikos Kouros | Actor | 1984 | 1 | |
| Katevas, Ilias | Ilias Katevas | Actor | 1972 - 1984 | 2 | |
| Kanetake, Kimiko | Kimiko Kanetake | Actor | 1984 | 1 | |
| Karstedt, Günther | Günther Karstedt | Actor | 1984 | 1 | |
| Körner, Hans-Peter | Hans-Peter Körner | Actor | 1984 | 1 | |
| Karezi, Tzeni | Tzeni Karezi | Actor | 1984 | 1 | |
| Kazakos, Kostas | Kostas Kazakos | Actor | 1984 | 1 | |
| Kreutzer, Frederik | Frederik Kreutzer | Actor | 1878 | 2 | |
| Kux, Bill | Bill Kux | Actor | 2017 | 1 | |
| Krökel, Reinhard | Reinhard Krökel | Actor | 1986 | 1 | |
| Kober, Paula | Paula Kober | Actor | 2017 | 1 | |
| Kronlokken, Micah | Micah Kronlokken | Actor | 2017 | 1 | |
| Kearney, Jessica | Jessica Kearney | Actor | 2017 | 1 | |
| Kerstetter, Lauren | Lauren Kerstetter | Actor | 2017 | 1 | |
| Kennedy, Ashley | Ashley Kennedy | Actor | 2015 | 1 | |
| Koiner, Josh | Josh Koiner | Actor | 2017 | 1 | |
| Kahle, Marie | Marie Kahle | Actor | 1891 | 1 | |
| Krause, Ernst | Ernst Krause | Actor | 1891 | 1 | |
| Kohrt, Niklas | Niklas Kohrt | Actor | 2017 | 1 | |
| Kindervater, Charly | Charly Kindervater | Actor | 2017 | 1 | |
| Kaplan, Emily | Emily Kaplan | Actor | 2013 | 1 | |
| Kayer, Franz | Franz Kayer | Actor | 1928 | 1 | |
| Kobel, Mark | Mark Kobel | Actor | 1992 | 1 | |
| Kohli, Werner | Werner Kohli | Actor | 1992 | 1 | |
| Klein-Donath, Eva | Eva Klein-Donath | Actor | 1930 | 1 | |
| Kurzendörfer, Karin | Karin Kurzendörfer | Actor | 1992 | 1 | |
| Kimura, Norico | Norico Kimura | Actor | 1992 | 1 | |
| Kukov, Michael | Michael Kukov | Actor | 1992 | 1 | |
| Koball, Detlef | Detlef Koball | Actor | 1992 | 1 | |
| Karwath, Jacob | Jacob Karwath | Actor | 1992 | 1 | |
| Kosewsky, Inez | Inez Kosewsky | Actor | 1992 | 1 | |
| Knutzen, Rolf | Rolf Knutzen | Actor | 1899 - 1900 | 3 | 1 |
| Kılıç, Sadrettin | Sadrettin Kılıç (Sadrettin Kilic) | Actor | 1975 - 1982 | 2 | |
| Knudsen, Sidse, Babett | Sidse Babett Knudsen | Actor | 1992 | 1 | |
| Kaech, Ingrid | Ingrid Kaech | Actor | 1993 | 1 | |
| Kikuchi, Hideo | Hideo Kikuchi | Actor | 1993 | 1 | |
| Kepper, Ludwig | Ludwig Kepper | Actor | 1912 | 1 | |
| Krell, Rudolf | Rudolf Krell | Actor | 1912 | 1 | |
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