| Cooper, William | William Cooper | Actor | 2021 | 3 | |
| Cooperman, Bennett | Bennett Cooperman | Actor | 2009 | 1 | |
| Cooreman, Anneleen | Anneleen Cooreman | Actor | 1995 | 1 | |
| Coorens, Roger | Roger Coorens | Actor | 1961 | 1 | |
| Copacea, Iulian | Iulian Copacea | Actor | 1967 - 1982 | 2 | |
| Cope, William | William Cope | Actor | 1941 | 1 | |
| Copeau, Jacques | Jacques Copeau | Actor | 1918 | 1 | |
| Copeland, Felicity | Felicity Copeland | Actor | 1989 | 1 | |
| Copeland, Gwen | Gwen Copeland | Actor | 2002 | 1 | |
| Copeland, Kate | Kate Copeland | Actor | 2009 | 1 | |
| Copeland, Maurice D. | Maurice D. Copeland | Actor | 1936 | 1 | |
| Copelin, Campbell | Campbell Copelin | Actor | 1961 | 1 | |
| Copenhaver, Brenton | Brenton Copenhaver | Actor | 2002 | 1 | |
| Copenhaver, Charles | Charles Copenhaver | Designer | 1992 - 2007 | 19 | |
| Copley, Mike | Mike Copley | Actor | 2002 | 6 | |
| Copley, Paul | Paul Copley | Actor | 2007 | 1 | 1 |
| Copley, Peter | Peter Copley | Actor | 1944 - 1976 | 2 | |
| Coppen, Hazel | Hazel Coppen | Actor | 1934 | 1 | |
| Coppenger, Royston P. | Royston P. Coppenger | Adaptation, Dramaturg, Translator | 1983 - 2016 | 7 | |
| Copping, Jennifer | Jennifer Copping | Actor | 2015 | 1 | |
| Coppola, Michela | Michela Coppola | Actor, Composer | 2013 | 2 | |
| Coppola, Yailín | Yailín Coppola | Actor | 2006 | 3 | 1 |
| Coppolecchia, Daniela | Daniela Coppolecchia | Costume Designer, Designer | 2015 - 2017 | 10 | |
| Cora, Pina | Pina Cora | Actor | 1950 | 1 | |
| Cora, Rachel | Rachel Cora | Actor | 2011 | 1 | |
| Corabie, G. | G. Corabie | Actor | 1928 | 1 | |
| Coral, David | David Coral | Actor | 2006 - 2011 | 11 | 1 |
| Corallo, Pierluigi | Pierluigi Corallo | Actor | 2002 - 2005 | 18 | |
| Coram, Giles | Giles Coram | Actor | 2017 | 3 | |
| Corander, Helga | Helga Corander | Actor | 1893 | 1 | |
| Corapi, Giordano | Giordano Corapi | Composer | 2013 - 2014 | 9 | |
| Coray, Jerome | Jerome Coray | Actor, Director | 1928 - 1935 | 10 | |
| Corazolla, Margarete | Margarete Corazolla | Actor | 1933 | 1 | |
| Corazza, Marina | Marina Corazza | Dramaturg, Playwright | 2025 | 2 | |
| Corbach, Marie | Marie Corbach | Actor | 1894 - 1902 | 2 | |
| Corban, Teodor | Teodor Corban | Actor | 2016 - 2018 | 5 | |
| Corbellini, Giuliana | Giuliana Corbellini | Actor | 1956 | 1 | |
| Corbett, Cory | Cory Corbett | Actor, Adaptation, Dramaturg, Musician | 2012 - 2013 | 7 | |
| Corbett, Eammonn | Eammonn Corbett | Actor | 2009 | 2 | |
| Corbett, Gretchen | Gretchen Corbett | Actor | 1973 | 1 | 1 |
| Corbett, Hilary | Hilary Corbett | Costume Designer | 1978 | 1 | |
| Corbett, Sidney | Sidney Corbett | Composer | 2021 | 1 | |
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