| Colby, Barbara | Barbara Colby | Actor | 1973 - 1975 | 3 | 1 |
| Cozma, Ion | Ion Cozma | Actor | 1973 - 1976 | 2 | |
| Corten, Georg | Georg Corten | Actor | 1973 - 1977 | 2 | 1 |
| Chronopoulou, Kaiti | Kaiti Chronopoulou | Actor | 1973 - 1978 | 4 | |
| Coolen, Kees | Kees Coolen | Actor, Director | 1973 - 1979 | 5 | |
| Chelton, Nick | Nick Chelton | Lighting Designer | 1973 - 1990 | 2 | |
| Covey, Elizabeth | Elizabeth Covey | Costume Designer | 1973 - 1990 | 3 | |
| Carstensen, Margit | Margit Carstensen | Actor | 1973 - 2011 | 8 | 1 |
| Carpenter, Will | Will Carpenter | Actor | 1974 | 1 | |
| Censkj, Marco | Marco Censkj | Actor | 1974 | 2 | |
| Censkj, Sabrina | Sabrina Censkj | Actor | 1974 | 2 | |
| Cherry, Richard | Richard Cherry | Actor | 1974 | 1 | |
| Cornelius, Rudolf | Rudolf Cornelius | Actor | 1974 | 1 | |
| Christofi, Grigoris | Grigoris Christofi | Actor | 1974 | 7 | |
| Cogdil, Karen | Karen Cogdil | Actor | 1974 | 1 | |
| Cutts, Marilyn | Marilyn Cutts | Actor | 1974 | 1 | |
| Celli, Tom | Tom Celli | Actor | 1974 | 1 | |
| Campbell, Caroline | Caroline Campbell | Actor | 1974 | 1 | |
| Christy, Al | Al Christy | Actor | 1974 | 1 | |
| Casey, Paul | Paul Casey | Actor | 1974 | 1 | |
| Cadell, Simon | Simon Cadell | Actor | 1974 | 1 | |
| Campillo, Terri | Terri Campillo | Actor | 1974 | 1 | |
| Carroll, Patrick | Patrick Carroll | Actor | 1974 | 1 | |
| Cooper, Sarah | Sarah Cooper | Actor | 1974 | 1 | |
| Cartland, Bob | Bob Cartland | Director | 1974 | 1 | 1 |
| Charvát, Josef | Josef Charvát | Actor | 1974 | 1 | |
| Coufalová, Zdena | Zdena Coufalová | Actor | 1974 | 1 | |
| Corciova, Radu | Radu Corciova | Costume Designer, Designer | 1974 | 2 | |
| Cruz González, Roberto | Roberto Cruz González | Actor | 1974 | 2 | |
| Cremona, Chari | Chari Cremona | Actor | 1974 | 1 | |
| Cadenas, Covadonga | Covadonga Cadenas | Actor | 1974 | 1 | |
| Castellón, Alfredo | Alfredo Castellón | Adaptation, Director | 1974 | 2 | |
| Conde, Valentín | Valentín Conde | Actor | 1974 | 1 | |
| Cappuccio, Emilio | Emilio Cappuccio | Actor | 1974 | 1 | |
| Caiati, Fernando | Fernando Caiati | Actor | 1974 - 1975 | 6 | |
| Cederö, Sven | Sven Cederö | Actor | 1974 - 1975 | 2 | |
| Corella, Gonzalo | Gonzalo Corella | Musical Director | 1974 - 1975 | 5 | |
| Carrillo, Luis | Luis Carrillo | Actor | 1974 - 1975 | 3 | |
| Candelli, Stelio | Stelio Candelli | Actor | 1974 - 1976 | 10 | |
| Carlin, Joy | Joy Carlin | Actor | 1974 - 1977 | 3 | |
| Clarey, Toby | Toby Clarey | Actor | 1974 - 1978 | 2 | |
| Czompa, Francisc | Francisc Czompa | Musical Director | 1974 - 1979 | 2 | |
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