| Claudius, Matthias, | Matthias Claudius | Actor | 1905 | 1 | |
| Craig, Owen, | Owen Craig | Actor | 1905 | 1 | |
| Curry, Ada, | Ada Curry | Actor | 1905 | 1 | |
| Campbell, Maurice, | Maurice Campbell | Director | 1905 | 3 | |
| Campbell, Emerin, | Emerin Campbell | Actor | 1905 | 1 | |
| Chamier, Francis, | Francis Chamier | Actor | 1905 | 1 | |
| Christie, Mr. | Mr. Christie | Actor | 1905 | 1 | |
| Chéron, Louis, | Louis Chéron | Actor | 1904 - 1907 | 5 | |
| Christiansen, Helene, | Helene Christiansen | Actor | 1904 | 1 | |
| Clark, Grace Gayler, | Grace Gayler Clark | Actor | 1904 | 1 | |
| Chandler, Alice, | Alice Chandler | Actor | 1904 | 1 | |
| Cristana, I., | I. Cristana | Actor | 1904 | 3 | |
| Colliander, Erland, | Erland Colliander | Actor | 1904 | 1 | |
| Chrysafis, Georgios, | Georgios Chrysafis | Actor | 1904 | 1 | |
| Czaplińska, Janina (?), | Janina (?) Czaplińska | Actor | 1904 | 1 | |
| Cluxton, Walter | Walter Cluxton | Actor | 1904 | 1 | |
| Czaki, Henryk, | Henryk Czaki | Actor | 1903 - 1928 | 11 | |
| Craig, Edward Gordon, | Edward Gordon Craig | Costume Designer, Designer, Director, Lighting Designer | 1903 - 1926 | 21 | |
| Carvill, Henry J., | Henry J. Carvill (Henry J. Carvill) | Actor | 1903 - 1925 | 5 | |
| Creuzburg, Käthe, | Käthe Creuzburg | Actor | 1903 - 1909 | 4 | |
| Conradi, -, | - Conradi | Composer | 1903 - 1909 | 3 | |
| Ceremużyńska, Sabina, | Sabina Ceremużyńska | Actor | 1903 - 1908 | 2 | |
| Carter, Hubert, | Hubert Carter | Actor, Producer | 1903 - 1908 | 2 | |
| Chaljutina, C. V., | C. V. Chaljutina (C. V. Chaljutina) | Actor | 1903 - 1906 | 2 | |
| Curry, Rose, | Rose Curry | Actor | 1903 - 1904 | 8 | |
| Causse, Sophie, | Sophie Causse | Actor | 1903 | 1 | |
| Christiansen, Einar, | Einar Christiansen | Director | 1903 | 1 | |
| Christensen, Gyda, | Gyda Christensen | Actor, Choreographer | 1902 - 1929 | 21 | |
| Czaplińska, Zofia, | Zofia Czaplińska | Actor | 1902 - 1919 | 9 | |
| Conradi, Gustav, | Gustav Conradi | Actor | 1902 - 1915 | 3 | |
| Celmiņa, Marika, | Marika Celmiņa | Actor | 1902 - 1914 | 6 | |
| Ceremużyński, Karol, | Karol Ceremużyński | Actor | 1902 - 1908 | 2 | |
| Cobeña, Carmen | Carmen Cobeña | Actor | 1902 - 1908 | 4 | |
| Cuevas, Agapito | Agapito Cuevas | Actor | 1902 - 1908 | 4 | |
| Chalkiopoulos, P., | P. Chalkiopoulos | Actor | 1902 | 1 | |
| Clair, Clairette | Clairette Clair | Actor | 1902 | 1 | |
| Chrysomallis, Angelos, | Angelos Chrysomallis | Actor | 1901 - 1935 | 10 | |
| Colmar, Heinrich, | Heinrich Colmar | Actor | 1901 - 1914 | 6 | |
| Cuzinski (Almăgeanu) , Verona | Verona Cuzinski (Almăgeanu) | Actor | 1901 - 1910 | 3 | |
| Czerniak, Maria, | Maria Czerniak | Actor | 1901 - 1908 | 3 | |
| Christomanos, Konstantinos, | Konstantinos Christomanos | Costume Designer, Designer, Director | 1901 - 1906 | 39 | |
| Christensen, Gudrun, | Gudrun Christensen | Actor | 1901 - 1902 | 2 | |
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