| 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 | |
| Cuffling, Bernard | Bernard Cuffling | Actor | 1978 - 2002 | 2 | |
| Csapó, János | János Csapó | Actor | 1978 - 1983 | 2 | |
| Charatsidis, Savvas | Savvas Charatsidis | Costume Designer, Designer | 1978 - 1979 | 8 | |
| Christenson, Barbro | Barbro Christenson | Actor | 1978 - 1979 | 2 | |
| Cios, Henryk | Henryk Cios | Designer | 1978 | 1 | |
| Czajkowska, Ewa | Ewa Czajkowska | Actor | 1978 | 1 | |
| Chrobak, Halina | Halina Chrobak | Actor | 1978 | 1 | |
| Campbell, Colin | Colin Campbell | Lighting Designer | 1978 | 1 | |
| Cunningham, Jan | Jan Cunningham | Actor | 1978 | 1 | |
| Carson, Kit | Kit Carson | Actor | 1978 | 1 | |
| Cordan, Ralph | Ralph Cordan | Actor | 1978 | 1 | |
| Cukurs, Guntis | Guntis Cukurs | Designer | 1978 | 1 | |
| Carlson, Lillian | Lillian Carlson | Actor | 1978 | 1 | |
| Cameron, Hope | Hope Cameron | Actor | 1978 | 1 | |
| Christiansen, Unni | Unni Christiansen | Actor | 1978 | 2 | |
| Conovici, Ella | Ella Conovici | Designer | 1978 | 38 | 1 |
| Codarcea, Daniela | Daniela Codarcea | Costume Designer | 1978 | 1 | |
| Cristi, Ana | Ana Cristi | Actor | 1978 | 1 | |
| Chronicki, Adolf | Adolf Chronicki | Actor | 1978 | 1 | |
| Chastain, Susan | Susan Chastain | Actor | 1978 | 1 | |
| Caris, Tim | Tim Caris | Actor | 1978 | 1 | |
| Clover, Judith | Judith Clover | Actor | 1978 | 1 | |
| Collier, Patience | Patience Collier | Actor | 1978 | 1 | 1 |
| Crowley, Dermot | Dermot Crowley | Actor | 1978 | 1 | |
| Corbett, Hilary | Hilary Corbett | Costume Designer | 1978 | 1 | |
| Cernovitch, Nick | Nick Cernovitch | Lighting Designer | 1978 | 1 | 1 |
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