| Csikós, Sándor | Sándor Csikós | Actor | 1982 | 2 | |
| Corbett, Susannah | Susannah Corbett | Actor | 1991 | 1 | |
| Casey, Stephen | Stephen Casey | Actor | 1991 | 1 | |
| Cryer, Andrew | Andrew Cryer | Actor | 1991 - 2004 | 2 | |
| Coninck, Marie-Louise | Marie-Louise Coninck | Actor | 1964 - 1993 | 2 | |
| Chatelet, Dominique | Dominique Chatelet | Actor | 1993 | 1 | |
| Carson, Molly | Molly Carson | Actor | 1993 | 1 | |
| Carlson, Clayton | Clayton Carlson | Actor | 1993 | 1 | |
| Colverd, Susan | Susan Colverd | Actor | 1993 | 1 | |
| Csarnóy, Zsuzsanna | Zsuzsanna Csarnóy | Actor | 2014 | 1 | |
| Cuomo, Michele | Michele Cuomo | Actor | 1991 | 1 | |
| Cuomo, Philip | Philip Cuomo | Actor | 1991 | 1 | |
| Conk, Mary Ann | Mary Ann Conk | Actor | 1991 | 1 | |
| Connors, Jim | Jim Connors | Actor | 1991 | 1 | |
| Cathomas, Bruno | Bruno Cathomas | Actor | 1993 - 2016 | 7 | |
| Csankó, Zoltán | Zoltán Csankó | Actor | 1993 - 2009 | 3 | |
| Cheshire, Warren | Warren Cheshire | Actor | 1993 | 1 | |
| Ceranna, Ernst | Ernst Ceranna | Actor | 1993 | 1 | |
| Cutler, J.C. | J.C. Cutler | Actor | 1993 - 2018 | 2 | |
| Cabot, David | David Cabot | Actor | 1993 - 2005 | 9 | |
| Campbell, Jennifer, Jordan | Jennifer Jordan Campbell | Actor | 1993 | 6 | |
| Colantoni, Enrico | Enrico Colantoni | Actor | 1993 - 2017 | 2 | |
| Chawla, Ashish | Ashish Chawla | Actor | 2014 | 1 | |
| Csomós, Mari | Mari Csomós | Actor | 2013 | 1 | |
| Crossen, Marnie | Marnie Crossen | Actor | 1994 | 1 | |
| Cox, Laura | Laura Cox | Actor | 1994 | 1 | |
| Christie, Madeleine | Madeleine Christie | Actor | 1982 | 1 | |
| Canonica, Sibylle | Sibylle Canonica | Actor | 1984 - 2016 | 18 | 18 |
| Cucioffo, Michele | Michele Cucioffo | Actor | 2014 - 2016 | 9 | |
| Cowling, Brenda | Brenda Cowling | Actor | 1982 | 1 | |
| Clay, Paul | Paul Clay | Actor | 1982 | 1 | |
| Collis, Richard | Richard Collis | Actor | 1982 | 1 | |
| Cushing, Thomas | Thomas Cushing | Actor | 1982 | 1 | |
| Carter, Emily | Emily Carter | Actor | 1994 | 1 | |
| Considine, Erin K. | Erin K. Considine | Actor | 1994 | 1 | |
| Cox, Jeffrey | Jeffrey Cox | Actor | 1994 | 1 | |
| Cusack, Sinead | Sinead Cusack | Actor | 1982 | 8 | |
| Cuoco, Francisco | Francisco Cuoco | Actor | 1965 | 8 | |
| Cresnik, Herbert | Herbert Cresnik | Actor | 1977 | 7 | |
| Coleman, Michelle | Michelle Coleman | Actor | 1982 | 1 | |
| Croll, Gerd | Gerd Croll | Actor | 1967 | 3 | |
| Chernevich, Igor | Igor Chernevich (Игорь Черневич) | Actor | 2013 | 1 | |
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