| Conn, Bill | Bill Conn | Actor | 1978 | 3 | |
| Croker, Elaine | Elaine Croker | Actor | 1978 | 1 | |
| Czulowski, Bernard | Bernard Czulowski | Musician | 1978 | 1 | |
| Curtin, Joe | Joe Curtin | Musician | 1978 | 1 | |
| Croswell, Chris | Chris Croswell | Designer | 1978 | 1 | |
| Cooper, Anne | Anne Cooper | Actor | 1978 | 1 | |
| Cariello, Tom | Tom Cariello | Director | 1978 | 1 | |
| Cristofer, Michael | Michael Cristofer | Actor | 1978 | 1 | |
| Carulla, Montserrat | Montserrat Carulla | Actor | 1978 | 1 | |
| Carugatti, Robert | Robert Carugatti | Assistant Director | 1978 | 1 | |
| Charles, Leon | Leon Charles | Actor | 1978 | 1 | |
| Carol, Jack | Jack Carol | Actor | 1978 | 1 | |
| Clark, Susan | Susan Clark | Actor | 1978 | 1 | |
| Colomer, Imma | Imma Colomer | Actor | 1978 | 1 | |
| Coronado, Manuel | Manuel Coronado | Adaptation, Director | 1978 | 2 | |
| Colón, Alberto | Alberto Colón | Actor | 1978 | 1 | |
| Comorera, Guillem | Guillem Comorera | Musical Director | 1978 | 1 | |
| Calduch, Ernest | Ernest Calduch | Set Designer | 1978 | 1 | |
| Charatsidis, Savvas | Savvas Charatsidis | Costume Designer, Designer | 1978 - 1979 | 8 | |
| Christenson, Barbro | Barbro Christenson | Actor | 1978 - 1979 | 2 | |
| Csapó, János | János Csapó | Actor | 1978 - 1983 | 2 | |
| Cuffling, Bernard | Bernard Cuffling | Actor | 1978 - 2002 | 2 | |
| Clary, Roy | Roy Clary | Actor | 1979 | 1 | |
| Całka, Mieczysław | Mieczysław Całka | Actor | 1979 | 1 | |
| Cherashore, Spencer | Spencer Cherashore | Actor | 1979 | 1 | |
| Cohen, James | James Cohen | Actor | 1979 | 1 | |
| Clark | Ron Clark | Actor | 1979 | 1 | |
| Coleman, Peter Thomas | Peter Thomas Coleman | Actor | 1979 | 1 | |
| Chalmers, Bill | Bill Chalmers | Actor | 1979 | 1 | |
| Coon, Gina | Gina Coon | Actor | 1979 | 1 | |
| Chesley, Gene | Gene Chesley | Designer | 1979 | 1 | |
| Cardin, Jerry | Jerry Cardin | Actor | 1979 | 1 | |
| Chinas, Fanis | Fanis Chinas | Actor | 1979 | 1 | |
| Cook, Reagan | Reagan Cook | Designer | 1979 | 1 | |
| Costa, Perla | Perla Costa | Actor | 1979 | 1 | |
| Castro, Andres | Andres Castro | Director | 1979 | 1 | 1 |
| Cabrera, Luis | Luis Cabrera | Designer | 1979 | 1 | |
| Connolly, Michael | Michael Connolly | Actor | 1979 | 1 | 1 |
| Coman, Cornel | Cornel Coman | Actor | 1979 | 1 | |
| Crişu, Nicolae | Nicolae Crişu | Actor | 1979 | 1 | |
| Croitoru, Elisabeta | Elisabeta Croitoru | Actor | 1979 | 1 | |
| Coetzee, Neels | Neels Coetzee | Actor | 1979 | 1 | |
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