| Cesar, Ivan | Ivan Cesar | Actor | 1928 | 1 | |
| Crandall, Arvid | Arvid Crandall | Actor, Lighting Designer | 1928 | 3 | |
| Caldwell, Neal | Neal Caldwell | Actor | 1928 | 2 | |
| Coray, Jerome | Jerome Coray | Actor, Director | 1928 – 1935 | 10 | |
| Corle, Edwin | Edwin Corle | Actor | 1928 | 2 | |
| Castro, Celia | Celia Castro | Actor | 1981 | 1 | |
| Calvo, Montse | Montse Calvo | Actor | 1981 | 1 | |
| Chatzipetros, Paris | Paris Chatzipetros | Actor | 1928 | 1 | |
| Calthrop, Peggy | Peggy Calthrop | Actor | 1928 | 1 | |
| Carleton, Phyllis | Phyllis Carleton | Actor | 1928 | 1 | |
| Calvert, Raymond | Raymond Calvert | Actor | 1928 | 2 | |
| 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 | |
| Ciulei, Liviu | Liviu Ciulei | Actor, Designer, Director | 1946 – 1995 | 5 | |
| 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 – 1948 | 5 | |
| Cass, Henry | Henry Cass | Actor, Director, Producer | 1932 | 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 – 1984 | 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 | |
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