| Kämmerer, Erich | Erich Kämmerer | Actor | 1900 | 10 | |
| Kavanagh, John | John Kavanagh | Actor | 1984 - 2011 | 3 | 1 |
| Klink, Heinz | Heinz Klink | Actor | 1931 | 1 | |
| Kuhn, Trude | Trude Kuhn | Actor | 1931 | 1 | |
| Knochenhauer, Hello | Hello Knochenhauer | Actor | 1967 | 1 | |
| Kattimani, Hulugappa | Hulugappa Kattimani | Actor | 1995 | 3 | |
| Kodage, Basavraj | Basavraj Kodage | Actor | 1995 | 6 | |
| Kusnoor, Santhosh Kumar | Santhosh Kumar Kusnoor | Actor | 1995 | 3 | |
| Knock, Darryl | Darryl Knock | Actor | 1984 | 4 | |
| Kohl, Michael | Michael Kohl | Actor | 1984 | 1 | |
| Kell, Joseph | Joseph Kell | Actor | 1990 | 1 | |
| King, David | David King | Actor | 2007 | 1 | |
| Kilian, Sven | Sven Kilian | Actor | 1984 | 3 | |
| Kammer, Nancy-Elizabeth | Nancy-Elizabeth Kammer | Actor | 1990 - 2019 | 2 | 1 |
| Kelly, David | David Kelly | Actor | 1989 - 2024 | 4 | 1 |
| Keeler, Dana | Dana Keeler | Actor | 1982 - 1990 | 2 | 1 |
| Klein, Katrin | Katrin Klein | Actor | 1990 - 1997 | 2 | 1 |
| Krishnaprasad, K. P. | K. P. Krishnaprasad | Actor | 1995 | 3 | |
| K. R., Nandini | K. R. Nandini | Actor | 1995 | 4 | |
| Kallaanvaara, Michael | Michael Kallaanvaara | Actor | 1989 - 1998 | 3 | |
| Kershaw, Lana | Lana Kershaw | Actor | 2012 | 1 | |
| Karlsson, Willy | Willy Karlsson | Actor | 1990 | 1 | |
| Keller, Bill | Bill Keller | Actor | 1978 | 1 | |
| Kleiven, Kari, Ulfsnes | Kari Ulfsnes Kleiven | Actor | 2014 | 3 | 1 |
| König, Günter | Günter König | Actor | 1984 | 1 | |
| Kennedy, Flloyd | Flloyd Kennedy | Actor | 1997 | 1 | |
| Knecht, Günter | Günter Knecht | Actor | 1987 - 1999 | 2 | |
| Kruit, Milja | Milja Kruit | Actor | 1987 | 1 | |
| Knight, Lily | Lily Knight | Actor | 1984 - 1995 | 2 | 1 |
| Kastanas, Kostas | Kostas Kastanas | Actor | 1965 - 1995 | 6 | |
| Kontogiannis, Kostas | Kostas Kontogiannis | Actor | 1984 | 1 | |
| Krumrey, Jürgen | Jürgen Krumrey | Actor | 1990 | 1 | |
| Kreutzer, Fred | Fred Kreutzer | Actor | 1990 | 1 | |
| Klugt, Nathalie, van der | Nathalie van der Klugt | Actor | 1991 | 2 | |
| Kouwenberg, Jasper, Klein | Jasper Klein Kouwenberg | Actor | 1991 | 3 | |
| Krohm, Uli | Uli Krohm | Actor | 1990 | 1 | |
| Kotsiris, Lampros | Lampros Kotsiris | Actor | 1988 | 1 | |
| Klein, Nita | Nita Klein | Actor | 1989 | 1 | |
| Kerckhoffs, Han | Han Kerckhoffs | Actor | 1990 - 2013 | 30 | |
| Krystoph, Volker | Volker Krystoph | Actor | 1958 - 1988 | 3 | |
| Koshevaya, Anzhelika | Anzhelika Koshevaya (Анжелика Кошевая) | Actor | 2011 | 1 | |
| Kepros, Nicholas | Nicholas Kepros | Actor | 1960 - 1988 | 6 | |
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