| Czompa, Francisc | Francisc Czompa | Musical Director | 1974 | 2 | |
| Corciova, Radu | Radu Corciova | Costume Designer, Designer | 1974 | 2 | |
| Candelli, Stelio | Stelio Candelli | Actor | 1974 - 1976 | 10 | |
| Carlin, Joy | Joy Carlin | Actor | 1974 - 1977 | 3 | |
| Clarey, Toby | Toby Clarey | Actor | 1974 - 1978 | 2 | |
| Cumming, Richard | Richard Cumming | Adaptation, Composer, Musical Director | 1974 - 1978 | 5 | |
| Callahan, Judy, | Judy Callahan | Actor | 1975 | 1 | |
| Callahan, Mike, | Mike Callahan | Actor | 1975 | 1 | |
| Cluskey, May, | May Cluskey | Actor | 1975 | 1 | |
| Chambers, Michael | Michael Chambers | Actor | 1975 | 2 | |
| Cichetti, Michael | Michael Cichetti | Actor | 1975 | 1 | |
| Cacciola, Marianne | Marianne Cacciola | Actor | 1975 | 1 | |
| Clark, Mort | Mort Clark | Director | 1975 | 1 | |
| Cappelen, Bente | Bente Cappelen | Actor | 1975 | 35 | |
| Chapman, Constance | Constance Chapman | Actor | 1975 | 8 | |
| Cohen, Debbie | Debbie Cohen | Actor | 1975 | 1 | |
| Collis, June | June Collis | Actor | 1975 | 3 | |
| Carthy, Ray | Ray Carthy | Actor | 1975 | 1 | |
| Christoph, Rudolf | Rudolf Christoph | Actor | 1975 | 1 | |
| Chelmi , Katerina | Katerina Chelmi | Actor | 1975 | 5 | |
| Clayton, Peter | Peter Clayton | Lighting Designer | 1975 | 1 | |
| Claps, Louise | Louise Claps | Actor | 1975 | 1 | |
| Carnegie, Ian | Ian Carnegie | Actor | 1975 | 1 | |
| Carnegie, Robert | Robert Carnegie | Actor | 1975 | 1 | |
| Cotterill, Michael | Michael Cotterill | Actor | 1975 | 1 | |
| Caramitru, Ion | Ion Caramitru | Actor | 1975 | 2 | |
| Castori, Ludwika | Ludwika Castori | Actor | 1975 | 1 | |
| Chambers, Anthony | Anthony Chambers | Actor | 1975 | 1 | |
| Covell, Paul | Paul Covell | Lighting Designer | 1975 | 1 | |
| Crawford, Michael | Michael Crawford | Lighting Designer | 1975 | 1 | |
| Crawford, Jill | Jill Crawford | Sound Designer | 1975 | 1 | |
| Clendinning, David | David Clendinning | Actor | 1975 | 2 | |
| Codreanu, Alexandru | Alexandru Codreanu | Actor | 1975 | 1 | |
| Codreanu, Paulina | Paulina Codreanu | Actor | 1975 | 1 | |
| Constantin, Dumitru | Dumitru Constantin | Lighting Designer | 1975 | 1 | |
| Chamberlain, Martin | Martin Chamberlain | Actor | 1975 | 1 | |
| Crowson, Sue | Sue Crowson | Sound Designer | 1975 | 1 | |
| Culhane, Maude | Maude Culhane | Costume Designer | 1975 | 1 | |
| Capone, Clifford | Clifford Capone | Costume Designer | 1975 - 1976 | 1 | |
| Carrara, Giusi | Giusi Carrara | Actor | 1975 - 1976 | 3 | |
| Carling, Lisa | Lisa Carling | Actor | 1975 - 1976 | 1 | |
| Coyle, Clay | Clay Coyle | Designer | 1975 - 1976 | 1 | |
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