| Karlsen, Cicci, Jøssund | Cicci Jøssund Karlsen | Actor | 2015 | 3 | |
| Karlsson, Morgan | Morgan Karlsson | Dancer | 2001 | 1 | |
| Kerbel, Naomi | Naomi Kerbel | Actor | 2003 | 1 | |
| Kirkham, John | John Kirkham | Actor | 2003 | 1 | |
| Kreibohm, Lydia | Lydia Kreibohm | Actor | 2003 - 2004 | 3 | |
| Krause, Georg | Georg Krause | Actor | 1998 - 2003 | 3 | |
| Kaya, Berna | Berna Kaya | Actor | 2003 | 1 | |
| Károlyi, Irén | Irén Károlyi | Actor | 1958 | 1 | |
| Kemény, László | László Kemény | Actor | 1925 - 1958 | 5 | |
| Kálmán, György | György Kálmán | Actor | 1958 | 1 | |
| Kaluhokalani, Kekoa | Kekoa Kaluhokalani | Actor | 2001 | 2 | |
| Kveli, Sigmund | Sigmund Kveli | Actor | 1989 | 3 | |
| Kvikstadhagen, Camilla | Camilla Kvikstadhagen | Actor | 1989 | 1 | |
| Karlsen, Vibeke | Vibeke Karlsen | Assistant Director | 2015 | 1 | |
| Klåpbakken, Siv | Siv Klåpbakken | Dancer | 1989 | 1 | |
| Kropp, Günther | Günther Kropp | Actor | 1965 - 1989 | 2 | |
| Küster, Tina | Tina Küster | Director | 2003 | 1 | |
| Kowalski, Michal | Michal Kowalski | Actor | 2001 | 1 | |
| Kociarz, Anna | Anna Kociarz | Actor | 2001 | 1 | |
| Kamenou, Ioanna | Ioanna Kamenou | Actor | 2003 | 1 | |
| Konstantinou, Eirini | Eirini Konstantinou | Actor | 2003 | 1 | |
| Kouta, Melita | Melita Kouta | Costume Designer, Designer | 2003 | 2 | |
| Kriisa, Tiia | Tiia Kriisa | Actor | 2014 | 1 | |
| King, Jeffrey | Jeffrey King | Actor | 2003 | 1 | |
| Körmendi, János | János Körmendi | Actor | 1971 - 1975 | 4 | |
| Keefy, Elisabeth | Elisabeth Keefy | Actor | 2001 | 1 | |
| Koltai, János | János Koltai | Actor | 1971 - 1975 | 2 | |
| Kraft, Iris | Iris Kraft | Costume Designer, Designer | 2003 - 2009 | 7 | |
| Kippersund, Jonas | Jonas Kippersund | Actor | 2001 | 1 | |
| Kutas, Béla | Béla Kutas | Actor | 1976 | 1 | |
| Kovács, Dénes | Dénes Kovács | Actor | 1976 | 1 | |
| Kelly, Rose Ann | Rose Ann Kelly | Actor | 2003 | 1 | |
| Kiss, Ferenc Dávid | Ferenc Dávid Kiss | Actor | 1976 | 2 | |
| Kinnaman, Melinda | Melinda Kinnaman | Actor | 1989 - 1998 | 2 | |
| Karle, Pete | Pete Karle | Actor | 2003 | 1 | |
| Kupfer, Courtney | Courtney Kupfer | Actor | 2003 | 1 | |
| Kloda, James | James Kloda | Actor, Lighting Designer | 2001 | 5 | |
| Kania, Grazyna | Grazyna Kania | Director | 2003 - 2007 | 3 | |
| Kakuts, Ágnes | Ágnes Kakuts | Actor | 1989 | 2 | |
| Kleene, Guido | Guido Kleene | Actor | 2003 | 1 | |
| Kaszás, Villő | Villő Kaszás | Actor | 1999 | 2 | |
| King, Lorin | Lorin King | Sound Designer | 2001 | 1 | |
|
|
