| Cosgrove, Aedín | Aedín Cosgrove | Designer, Lighting Designer | 2012 - 2013 | 4 | 1 |
| Cooper, Helen | Helen Cooper | Actor, Adaptation | 1984 - 1996 | 4 | |
| Crosset, Ann | Ann Crosset | Actor, Choreographer | 1989 | 4 | |
| Corfitz, Eugenie | Eugenie Corfitz | Actor | 1906 - 1908 | 4 | |
| Cobham, Geoff | Geoff Cobham | Designer, Lighting Designer | 2013 - 2017 | 4 | |
| Cazzaniga, Laura | Laura Cazzaniga | Actor, Dancer | 1989 - 2004 | 4 | |
| Czyzewska, Elzbieta | Elzbieta Czyzewska | Actor | 1991 - 2004 | 4 | 1 |
| Carpitella, Sara | Sara Carpitella | Dancer | 1994 | 4 | |
| Christensen, Palle Steen | Palle Steen Christensen | Costume Designer, Designer | 2014 - 2015 | 4 | |
| Cserny, Berta | Berta Cserny | Actor | 1890 | 4 | |
| Cleater, John | John Cleater | Designer | 1994 - 1995 | 4 | |
| Cottan , Richard | Richard Cottan | Actor | 1980 | 4 | |
| Chybowski, Michael | Michael Chybowski | Lighting Designer | 1996 - 2001 | 4 | 1 |
| Chýlková, Ivana | Ivana Chýlková | Actor | 1996 - 2002 | 4 | 1 |
| Cork, Adam | Adam Cork | Composer, Sound Designer | 2005 - 2007 | 4 | |
| Caldas, Armando | Armando Caldas | Director, Dramaturg | 1998 | 4 | |
| Cole, Jimonn | Jimonn Cole | Actor | 1998 - 2016 | 4 | |
| Cockrum, Roy | Roy Cockrum | Actor | 1998 | 4 | |
| Clayton, Edward | Edward Clayton | Actor | 1997 - 1998 | 4 | |
| Capron, Naomi | Naomi Capron | Actor | 1997 - 1998 | 4 | |
| Camera, Alessandro | Alessandro Camera | Designer | 2013 - 2014 | 4 | |
| Corapi, Giordano | Giordano Corapi | Composer | 2013 - 2014 | 4 | |
| Costa, Túlio | Túlio Costa | Designer | 1965 - 1969 | 4 | |
| Conlon, Declan | Declan Conlon | Actor | 2013 - 2019 | 4 | |
| Carlqvist, Margit | Margit Carlqvist | Actor | 1955 - 1967 | 4 | 1 |
| Campbell, Douglas | Douglas Campbell | Actor, Director | 1956 - 1978 | 4 | 1 |
| Curtis, Keene | Keene Curtis | Actor | 1965 - 1966 | 4 | |
| Carrère, Céline | Céline Carrère | Actor | 2002 | 4 | |
| Caluori, Yuriko | Yuriko Caluori | Actor | 2002 | 4 | |
| Calörtscher, Dolores | Dolores Calörtscher | Actor | 2002 | 4 | |
| Chatoupi, Dimitra | Dimitra Chatoupi | Actor | 2002 - 2003 | 4 | |
| Cserépy, László | László Cserépy | Actor | 1931 | 4 | |
| Christensson, Christer | Christer Christensson | Composer | 2003 | 4 | |
| Corpataux, Jacqueline | Jacqueline Corpataux | Actor | 2003 - 2004 | 4 | |
| Cho, Yongsou | Yongsou Cho | Actor | 2003 - 2004 | 4 | |
| Couturier, Bathilde | Bathilde Couturier | Lighting Designer | 2003 - 2004 | 4 | |
| Chiappara, Monica | Monica Chiappara | Costume Designer, Designer | 2001 | 4 | |
| Colman, Hugh | Hugh Colman | Costume Designer, Designer | 1975 - 1978 | 4 | |
| Chmelař, Vladimír | Vladimír Chmelař | Actor | 2008 | 4 | |
| Ciubotaru, Petru | Petru Ciubotaru | Actor | 1991 - 2005 | 4 | |
| Cornea, Cristian | Cristian Cornea | Actor | 1977 | 4 | |
| Cobzariu, Marcello | Marcello Cobzariu | Actor | 2009 | 4 | |
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