| Curtin, Joseph | Joseph Curtin | Actor | 1928 | 1 | |
| Clark, J. Audrey | J. Audrey Clark | Actor | 1928 | 1 | |
| Cox, Thomas | Thomas Cox | Actor | 1928 | 1 | |
| Corrick, Gerald | Gerald Corrick | Actor | 1929 | 1 | |
| Campbell, Josephine | Josephine Campbell | Actor | 1929 | 1 | |
| Carstulovich, Peter | Peter Carstulovich | Actor | 1929 | 1 | |
| Cornberg, Sol | Sol Cornberg | Lighting Designer | 1929 | 1 | |
| Cecchini, Ivan | Ivan Cecchini | Actor | 1963 - 1973 | 13 | |
| Colaço, Amélia, Rey | Amélia Rey Colaço | Director | 1972 | 1 | |
| Conlogue, Ray | Ray Conlogue | Actor | 1972 | 1 | |
| Cäsar, Wolfgang | Wolfgang Cäsar | Designer | 1983 | 1 | |
| Calov, Cay | Cay Calov | Actor | 1972 | 1 | |
| Csikós, Attila | Attila Csikós | Designer | 1983 | 1 | |
| Cheng, Maria | Maria Cheng | Choreographer | 1983 | 1 | |
| Childress, Yolanda | Yolanda Childress | Actor | 1983 | 3 | |
| Cone, Ginny | Ginny Cone | Actor | 1972 | 4 | |
| Camerlynck, Hector | Hector Camerlynck | Actor | 1955 - 1972 | 2 | |
| Claessens, Walter | Walter Claessens | Actor | 1972 | 1 | |
| Chappuis, Marianne | Marianne Chappuis | Actor | 1983 | 1 | |
| Curnock, Richard | Richard Curnock | Actor | 1983 | 1 | |
| Christiansen, Rolf | Rolf Christiansen | Costume Designer, Designer | 1947 - 1967 | 5 | |
| Cass, Henry | Henry Cass | Actor, Director, Producer | 1932 - 1936 | 5 | |
| Culff, Howieson | Howieson Culff | Actor | 1934 | 1 | |
| Coppen, Hazel | Hazel Coppen | Actor | 1934 | 1 | |
| Couser, David | David Couser | Actor | 1934 | 1 | |
| Collin, Annemarie | Annemarie Collin | Actor | 1951 - 1952 | 2 | |
| Chorn, Dimitris | Dimitris Chorn | Actor | 1945 - 1983 | 8 | |
| Cruz, José, G. | José G. Cruz | Costume Designer, Designer | 1945 | 2 | |
| Castegnaro, Lola | Lola Castegnaro | Composer | 1945 | 1 | |
| Cox, Brendan | Brendan Cox | Designer | 1983 | 2 | |
| Casparis-Castelberg, Ursula | Ursula Casparis-Castelberg | Choreographer | 1952 | 2 | |
| Casapiccola, Robert | Robert Casapiccola | Actor | 1952 | 2 | |
| Crickard, Dominic | Dominic Crickard | Actor | 1983 | 2 | |
| Campbell, Richard | Richard Campbell | Actor | 1983 | 2 | |
| Crnobori, Ljudevit | Ljudevit Crnobori | Actor, Director | 1934 - 1952 | 2 | |
| Cesar, Jože | Jože Cesar | Designer | 1952 | 1 | |
| Carrington, Noel | Noel Carrington | Actor | 1954 | 1 | |
| Cingl, Emo | Emo Cingl | Actor | 1962 | 1 | |
| Cambell, Laura | Laura Cambell | Actor | 1967 | 1 | |
| Chávez, Eva, Rocío | Eva Rocío Chávez | Actor | 1970 | 1 | |
| Clausen, Claus | Claus Clausen | Actor | 1923 - 1954 | 2 | |
| Carrasco, Ada | Ada Carrasco | Actor | 1953 - 1976 | 2 | |
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