| Christiansen, Marie | Marie Christiansen | Mask Maker | 1967 | 1 | |
| Christophersen, Gerda | Gerda Christophersen | Actor | 1897 - 1937 | 2 | |
| Christy, Jacqueline | Jacqueline Christy | Actor | 1991 | 1 | |
| Chung, Jessie | Jessie Chung | Translator | 2001 | 1 | |
| Churchill, Joan | Joan Churchill | Designer | 1971 - 1974 | 2 | |
| Cios, Henryk | Henryk Cios | Designer | 1978 | 1 | |
| Cipriano, Michael | Michael Cipriano | Actor | 1987 | 1 | |
| Claesson, Gosta | Gosta Claesson | Costume Designer, Designer | 1986 | 4 | |
| Claire, Jennifer | Jennifer Claire | Actor | 1970 | 3 | |
| Clancy, Dimity | Dimity Clancy | Actor | 1989 | 1 | |
| Clancy, Ita | Ita Clancy | Actor | 1965 | 1 | |
| Clark, Jeff | Jeff Clark | Actor | 1991 | 1 | |
| Clark, Julie Angela | Julie Angela Clark | Mask Maker | 2000 - 2015 | 28 | |
| Clark, Kathy | Kathy Clark | Actor | 1976 | 1 | |
| Clark, Patch | Patch Clark | Actor | 2001 | 1 | |
| Clark, Rodney | Rodney Clark | Actor | 1997 - 2002 | 2 | |
| Clarke, Dorothy | Dorothy Clarke | Actor | 2006 | 1 | |
| Clarke, Sue | Sue Clarke | Director | 2007 | 1 | |
| Clarkson, James | James Clarkson | Actor | 1999 | 30 | |
| Clary, Roy | Roy Clary | Actor | 1979 | 1 | |
| Claus, Manfred | Manfred Claus | Dramaturg | 1972 | 1 | |
| Clausen, Andrea | Andrea Clausen | Actor | 1989 - 1997 | 3 | |
| Cleary, Edwin | Edwin Cleary | Actor | 1883 | 1 | |
| Cleary, John | John Cleary | Actor | 2002 | 1 | |
| Clement, Bart | Bart Clement | Designer | 1994 | 12 | |
| Cleve, Luise | Luise Cleve | Actor | 1962 | 1 | |
| Clionsky, Ali | Ali Clionsky | Actor | 1996 | 1 | |
| Clothier, Richard | Richard Clothier | Actor | 2004 | 7 | |
| Cluskey, May | May Cluskey | Actor | 1975 | 1 | |
| Clyde, Stephen | Stephen Clyde | Actor | 2004 | 5 | |
| Cnops, Marc | Marc Cnops | Costume Designer, Designer | 1982 - 2001 | 24 | |
| Cnudde, Magda | Magda Cnudde | Actor | 1972 | 1 | |
| Codena, Monica | Monica Codena | Choreographer | 1993 | 2 | |
| Colciaghi, Ebe | Ebe Colciaghi | Costume Designer | 1949 - 1956 | 4 | |
| Cole, Jenna | Jenna Cole | Actor | 1995 | 1 | |
| Coleman, Ross | Ross Coleman | Choreographer | 2002 | 1 | |
| Colgan, Sean | Sean Colgan | Sound Designer | 2003 | 1 | |
| Collier, Kim | Kim Collier | Director | 2007 | 1 | |
| Collin, André | André Collin | Designer | 1987 | 1 | |
| Collins, Joan | Joan Collins | Actor | 1945 - 1946 | 2 | |
| Collins, Rufus | Rufus Collins | Actor | 1998 - 1999 | 3 | |
| Collmer, Helene | Helene Collmer | Actor | 1897 | 1 | |
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