| 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 |
| Cecsarini, David | David Cecsarini | Actor | 1978 | 1 | |
| 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 | |
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