| Cundari, Mico | Mico Cundari | Actor | 1997 - 1998 | 3 | |
| Clarvoe, Anthony | Anthony Clarvoe | Adaptation, Translator | 1996 - 2000 | 3 | 1 |
| Cox, Susan | Susan Cox | Actor, Costume Designer | 1958 - 1996 | 3 | |
| Chowdhury, Debashish | Debashish Chowdhury | Actor | 1996 - 2004 | 3 | |
| Chattopadhaya, Alok | Alok Chattopadhaya | Actor | 2006 - 2007 | 3 | |
| Cyrwus, Piotr | Piotr Cyrwus | Actor | 1996 | 3 | |
| Conserva, Giovanni | Giovanni Conserva | Actor | 1995 | 3 | |
| Cole, Barbara | Barbara Cole | Actor | 1948 - 1999 | 3 | |
| Cropp, Harold N. | Harold N. Cropp | Actor | 1998 - 2003 | 3 | 1 |
| Campodonico, Cesar | Cesar Campodonico | Actor, Adaptation, Director | 1961 - 1997 | 3 | 1 |
| Chia, Nelson | Nelson Chia | Adaptation, Director, Translator | 2014 | 3 | |
| Chou, Hang, Qian | Hang Qian Chou | Actor | 2014 | 3 | |
| Czakó, Pál | Pál Czakó | Actor | 1921 - 1924 | 3 | |
| Calvert, Vicky | Vicky Calvert | Actor | 1969 - 1970 | 3 | |
| Carey, Helen | Helen Carey | Actor | 1968 - 2009 | 3 | 1 |
| Chalupa, Dalibor | Dalibor Chalupa | Adaptation, Dramaturg | 1960 - 2012 | 3 | |
| Cossardt, Jörg | Jörg Cossardt | Actor, Director | 1967 - 1971 | 3 | |
| Charilaou, Voula | Voula Charilaou | Actor | 1964 - 1967 | 3 | |
| Corlan, Anthony | Anthony Corlan | Actor | 1967 | 3 | |
| Chapman, Paul | Paul Chapman | Actor | 1967 | 3 | |
| Clennon, David | David Clennon | Actor | 1966 - 1971 | 3 | |
| Conrad, Paul | Paul Conrad | Actor | 1906 - 1966 | 3 | |
| Conabere, Sydney | Sydney Conabere | Actor | 1966 - 1975 | 3 | |
| Colt, Alvin | Alvin Colt | Costume Designer | 1955 - 1965 | 3 | |
| Chalupa, Jiří | Jiří Chalupa | Actor | 1965 | 3 | |
| Caruthers, Cliff | Cliff Caruthers | Composer, Sound Designer | 2002 - 2017 | 3 | |
| Canepa, Francesco | Francesco Canepa | Actor | 2002 - 2003 | 3 | |
| Cinque, Orlando | Orlando Cinque | Actor | 2002 - 2003 | 3 | |
| Craciunescu, Razvan | Razvan Craciunescu | Actor | 2002 | 3 | |
| Clayden, Barbara | Barbara Clayden | Costume Designer | 2002 - 2006 | 3 | |
| Costa, Ernesto | Ernesto Costa | Lighting Designer | 1997 - 1998 | 3 | |
| Charalampous, Nikos | Nikos Charalampous | Director, Translator | 1989 - 2003 | 3 | |
| Crossland, Jeanette | Jeanette Crossland | Actor, Mask Maker | 2001 | 3 | |
| Cumberbatch, Benedict | Benedict Cumberbatch | Actor | 2003 - 2005 | 3 | 1 |
| Czikéli, László | László Czikéli | Actor | 1958 - 1989 | 3 | |
| Císařovská, Anna | Anna Císařovská | Actor | 2010 | 3 | |
| Clasing, Natascha | Natascha Clasing | Actor | 2001 - 2004 | 3 | |
| Collins, Mika | Mika Collins | Actor | 2004 | 3 | |
| Cuskern, Dominic | Dominic Cuskern | Actor | 2004 - 2016 | 3 | 1 |
| Cibulková, Vilma | Vilma Cibulková | Actor | 2000 - 2012 | 3 | |
| Charles-Walsh, Kathleen | Kathleen Charles-Walsh | Actor | 2004 | 3 | |
| Carnevali, Martin | Martin Carnevali | Actor | 2004 - 2005 | 3 | 2 |
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