| Cox, Harding | Harding Cox | Actor | 1894 | 1 | |
| Cox, Jana | Jana Cox | Actor | 2008 | 1 | |
| Cox, Jane | Jane Cox | Lighting Designer | 2011 - 2016 | 2 | |
| Cox, Jeffrey | Jeffrey Cox | Actor | 1994 | 1 | |
| Cox, Kirsty | Kirsty Cox | Actor | 2007 | 1 | |
| Cox, Laura | Laura Cox | Actor | 1994 | 1 | |
| Cox, Marcus | Marcus Cox | Actor | 2017 | 1 | |
| Cox, Maud | Maud Cox | Actor | 1927 | 1 | |
| Cox, Melanie | Melanie Cox | Actor | 2018 | 1 | |
| Cox, Norman | Norman Cox | Actor, Lighting Designer | 1932 - 1933 | 2 | |
| Cox, Peter | Peter Cox | Actor | 1956 | 1 | |
| Cox, Pierre | Pierre Cox | Actor | 1954 | 1 | |
| Cox, Robbie | Robbie Cox | Actor | 2006 | 1 | |
| Cox, Sam | Sam Cox | Actor | 1996 | 1 | |
| Cox, Susan | Susan Cox | Actor, Costume Designer | 1958 - 1996 | 3 | |
| Cox, Thomas | Thomas Cox | Actor | 1928 | 1 | |
| Cox, Tom | Tom Cox | Actor | 2011 | 1 | |
| Cox, Virginia | Virginia Cox | Actor | 1947 | 1 | |
| Cox, W. Herbert, | W. Herbert Cox | Actor | 1911 | 1 | |
| Coxwell, David | David Coxwell | Actor | 1971 | 1 | 1 |
| Coy, Jolyon | Jolyon Coy | Actor | 2015 - 2016 | 2 | 1 |
| Coy, Jonathan | Jonathan Coy | Actor | 2019 | 2 | |
| Coy, Mary | Mary Coy | Actor | 1939 | 1 | |
| Coyan, Mark | Mark Coyan | Actor | 2007 | 1 | |
| Coykendall, Raymond | Raymond Coykendall | Actor | 1934 | 1 | |
| Coyle, Clay | Clay Coyle | Designer | 1975 | 1 | |
| Coyle, Molly | Molly Coyle | Actor | 2007 | 1 | |
| Coyle, Tara | Tara Coyle | Choreographer | 2018 | 1 | |
| Coyne, Andrea | Andrea Coyne | Actor | 2002 | 1 | |
| Coyne, Angela | Angela Coyne | Actor | 1918 | 1 | |
| Coyne, Sabina | Sabina Coyne | Actor | 1971 | 1 | |
| Coyne, Sean | Sean Coyne | Composer | 2018 | 1 | |
| Coyne, Tom | Tom Coyne | Actor | 1954 | 1 | |
| Cozachievici, Emilia | Emilia Cozachievici | Actor | 1948 | 1 | |
| Cozlac, Andrei | Andrei Cozlac | Designer, Producer | 2014 - 2018 | 2 | |
| Cozma, Ion | Ion Cozma | Actor | 1973 - 1976 | 2 | |
| Cozorici, Gheorghe | Gheorghe Cozorici | Actor, Assistant Director | 1963 - 1988 | 4 | |
| Cozzens, Dan | Dan Cozzens | Director | 2005 | 1 | |
| Cozzolino, Guido | Guido Cozzolino | Costume Designer | 1968 | 1 | |
| Cozzubbo, Graham | Graham Cozzubbo | Director | 2003 | 2 | |
| Cpin, Marek | Marek Cpin | Costume Designer, Designer | 2008 - 2017 | 23 | 1 |
| Crabb, Sally | Sally Crabb | Designer | 1989 | 1 | |
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