| Roberts, Theodore, | Theodore Roberts | Actor | 1904 | 1 | |
| Reardon, Edmund H., | Edmund H. Reardon (Edmund H. Reardon) | Actor | 1904 | 1 | |
| Rawicz (Trzcińska), Zofia, | Zofia Rawicz (Trzcińska) | Actor | 1904 | 1 | |
| Reitmeyer, Carl | Carl Reitmeyer | Designer | 1904 | 1 | |
| Runge, Gertrud | Gertrud Runge | Actor | 1904 | 1 | |
| Reimann, Paula | Paula Reimann | Actor | 1904 | 2 | |
| Repčević, Ivan | Ivan Repčević | Actor | 1904 | 2 | |
| Rieger, Paula, | Paula Rieger | Actor | 1904 – 1905 | 3 | |
| Rosqvist, Oskar, | Oskar Rosqvist | Actor | 1904 – 1905 | 2 | |
| Ryszkowski, Władysław, | Władysław Ryszkowski | Actor | 1904 – 1909 | 3 | |
| Rickelt, Gustav, | Gustav Rickelt | Actor | 1904 – 1913 | 51 | |
| Ragazzy, Marga, | Marga Ragazzy | Actor | 1905 | 1 | |
| Roland, Ellen, | Ellen Roland | Actor | 1905 | 1 | |
| Rupprecht, -, | - Rupprecht | Actor | 1905 | 2 | |
| Renoth, Ludwig, | Ludwig Renoth | Actor | 1905 | 1 | |
| Retslag, Nella, | Nella Retslag | Actor | 1905 | 2 | |
| Radosław, Zdzisław, | Zdzisław Radosław | Actor | 1905 | 1 | |
| Rossi, De, D., | D. De Rossi | Actor | 1905 | 4 | |
| Ruggeri, T., | T. Ruggeri | Actor | 1905 | 4 | |
| Regaldi, M., | M. Regaldi | Actor | 1905 | 8 | |
| Roncoroni, Mr., | Mr. Roncoroni | Actor | 1905 | 4 | |
| Ripamonti, Mrs., | Mrs. Ripamonti | Actor | 1905 | 4 | |
| Ricard, Amy, | Amy Ricard | Actor | 1905 | 1 | |
| Richard-Braakensiek, -, | - Richard-Braakensiek | Actor | 1905 | 1 | |
| Raetzer, Auguste | Auguste Raetzer | Actor | 1905 | 2 | |
| Roberts, Florence | Florence Roberts | Actor | 1905 | 2 | |
| Royce, Louise | Louise Royce | Actor | 1905 | 1 | |
| Rockwell, Florence | Florence Rockwell | Actor | 1905 | 1 | |
| Rieger, Franziska | Franziska Rieger | Actor | 1905 | 1 | |
| Reiner, Marcell | Marcell Reiner | Actor | 1905 | 1 | |
| Robertson, Willard | Willard Robertson | Actor | 1905 | 1 | |
| Rehder, Carl, | Carl Rehder | Actor | 1905 – 1906 | 6 | |
| Razeto, Stella | Stella Razeto (Miss Stella) | Actor | 1905 – 1906 | 3 | |
| Rosenberg, Hermann | Hermann Rosenberg | Actor | 1905 – 1906 | 2 | |
| Rebe, Martha | Martha Rebe | Actor | 1905 – 1906 | 2 | |
| Rindal, Marie, | Marie Rindal | Actor | 1905 – 1907 | 53 | 1 |
| Reinhardt, Anton | Anton Reinhardt | Actor | 1905 – 1907 | 3 | |
| Rumpf, Fritz, | Fritz Rumpf | Designer | 1905 – 1909 | 5 | |
| Reyman, Thyra, | Thyra Reyman | Actor | 1905 – 1914 | 8 | |
| Renz, Ms., | Ms. Renz | Actor | 1906 | 2 | |
| Rosé, Berthold, | Berthold Rosé | Actor | 1906 | 1 | |
| Reifenstein, Hermann, | Hermann Reifenstein | Actor | 1906 | 2 | |
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