| Karlsen, Jens Petter | Jens Petter Karlsen | Actor | 1991 | 1 | |
| Karlsen, Jesper, B. | Jesper B. Karlsen | Adaptation, Dramaturg | 2013 - 2014 | 10 | |
| Karlsen, Kristian J. | Kristian J. Karlsen | Actor | 2006 | 1 | |
| Karlsen, Kyrre Heldal | Kyrre Heldal Karlsen | Actor, Lighting Designer | 2010 - 2011 | 2 | |
| Karlsen, Maria | Maria Karlsen | Actor, Choreographer, Dancer | 2009 - 2011 | 4 | |
| Karlsen, Per | Per Karlsen | Mask Maker | 1976 - 1979 | 2 | |
| Karlsén, Stephan | Stephan Karlsén | Actor | 1989 | 2 | |
| Karlsen, Svein Roger | Svein Roger Karlsen | Actor | 1993 - 2015 | 68 | 1 |
| Karlsen, Tor | Tor Karlsen | Actor | 1962 - 1965 | 4 | |
| Karlsen, Torgeir | Torgeir Karlsen | Costume Designer, Mask Maker | 1995 - 1997 | 5 | |
| Karlsen, Truls | Truls Karlsen | Costume Designer | 2012 - 2015 | 3 | |
| Karlsen, Vibeke | Vibeke Karlsen | Assistant Director | 2015 | 1 | |
| Karlshofer, Mr. | Mr. Karlshofer | Actor | 1908 | 1 | |
| Karlsrud, Magnus | Magnus Karlsrud | Actor | 2019 | 1 | |
| Karlsrud, Marius Christoffer | Marius Christoffer Karlsrud | Actor | 2010 | 1 | |
| Karlsson, Bert | Bert Karlsson | Sound Designer | 1994 | 1 | |
| Karlsson, Bertil | Bertil Karlsson | Actor | 1953 | 2 | |
| Karlsson, Carl Axel | Carl Axel Karlsson | Actor | 2000 | 1 | |
| Karlsson, Daniel | Daniel Karlsson | Actor | 2011 - 2016 | 68 | 2 |
| Karlsson, Jeanette | Jeanette Karlsson | Actor | 1995 | 2 | |
| Karlsson, Jens Peter | Jens Peter Karlsson | Adaptation | 2008 | 1 | 1 |
| Karlsson, Jon | Jon Karlsson | Actor | 2006 | 2 | 1 |
| Karlsson, Jörgen | Jörgen Karlsson | Actor | 2015 | 1 | |
| Karlsson, Karin | Karin Karlsson | Costume Designer | 1997 | 1 | |
| Karlsson, Morgan | Morgan Karlsson | Dancer | 2001 | 1 | |
| Karlsson, Nina Katarina | Nina Katarina Karlsson | Translator | 2025 | 1 | |
| Karlsson, Robin | Robin Karlsson | Mask Maker | 2008 | 10 | |
| Karlsson, Sigurður | Sigurður Karlsson | Actor | 1976 - 1993 | 2 | |
| Karlsson, Susanne | Susanne Karlsson | Actor | 2025 | 1 | |
| Karlsson, Willy | Willy Karlsson | Actor | 1990 | 1 | |
| Karlsson, Þráinn | Þráinn Karlsson | Actor | 1993 - 1998 | 2 | |
| Karm, Benny | Benny Karm | Designer | 1986 - 1987 | 3 | |
| Karm, Ingela | Ingela Karm | Designer | 1986 - 1987 | 3 | |
| Karm, Kaarel | Kaarel Karm | Actor | 1943 | 1 | |
| Karmakar, Sanjay | Sanjay Karmakar | Dancer | 2009 | 1 | |
| Karmakar, Tamalika | Tamalika Karmakar | Actor | 2009 | 1 | |
| Karmelić, Đuro | Đuro Karmelić | Actor | 1932 - 1941 | 2 | |
| Karmon, Yosef | Yosef Karmon | Actor | 1966 | 1 | |
| Karmona, Benito | Benito Karmona | Actor | 2009 | 1 | |
| Kärn, Jo | Jo Kärn | Actor | 1972 - 1998 | 4 | |
| Kärnä, Julia | Julia Kärnä | Actor | 1998 | 1 | |
| Karnasová, Andrea | Andrea Karnasová | Actor | 1999 | 1 | 1 |
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