| Røgeberg, Richard | Richard Røgeberg | Actor | 1955 | 1 | |
| Runič, T. | T. Runič | Actor | 1955 | 1 | |
| Royaards, Ben | Ben Royaards | Designer, Director | 1955 – 1956 | 7 | |
| Randers-Pehrson, Karen, | Karen Randers-Pehrson | Actor | 1955 – 1994 | 10 | |
| Risan, Knut, | Knut Risan | Actor | 1955 – 2003 | 200 | |
| Rollins, Barbara | Barbara Rollins | Actor | 1956 | 1 | |
| Rychařík, Jindřich | Jindřich Rychařík | Actor | 1956 | 1 | |
| Ryding, Margot | Margot Ryding | Actor | 1956 | 1 | |
| Rzounek, Míla | Míla Rzounek | Designer | 1956 | 1 | |
| Rodrigues, Roque | Roque Rodrigues | Actor | 1956 | 1 | |
| Rohde, Dieter | Dieter Rohde | Actor | 1956 | 2 | |
| Rohde, Ingrid | Ingrid Rohde | Actor | 1956 | 2 | |
| Roßberg-Walenta, Anny | Anny Roßberg-Walenta | Actor | 1956 | 2 | |
| Rummelhoff, Anita, | Anita Rummelhoff | Actor | 1956 | 3 | |
| Renato, Paulo | Paulo Renato | Actor | 1956 | 2 | |
| Rava, Jaroslav | Jaroslav Rava | Actor | 1956 | 1 | |
| Ryšánková , Jiřina | Jiřina Ryšánková | Choreographer | 1956 | 1 | |
| Radlovs , Sergejs | Sergejs Radlovs | Director | 1956 | 1 | |
| Rodrigues, Belmiro | Belmiro Rodrigues | Actor | 1956 | 1 | |
| Rinnan, Odd | Odd Rinnan | Sound Designer | 1956 | 2 | |
| Rose, Kenneth | Kenneth Rose | Director | 1956 | 1 | |
| Rizzo, John | John Rizzo | Actor | 1956 | 1 | |
| Rizzo, Terry | Terry Rizzo | Actor | 1956 | 1 | |
| Riise, Andreas | Andreas Riise | Actor | 1956 | 1 | |
| Rausch, Mary | Mary Rausch | Actor | 1956 | 1 | |
| Rønneberg, Anton | Anton Rønneberg | Adaptation | 1956 | 42 | |
| Revi, Bea | Bea Revi | Actor | 1956 | 1 | |
| Riß, Walter | Walter Riß | Actor | 1956 | 1 | |
| Rawling, Gerald | Gerald Rawling | Actor | 1956 | 1 | |
| Rohbrandt, Gerda | Gerda Rohbrandt | Actor | 1956 | 1 | |
| Reima, Martta | Martta Reima | Actor | 1956 | 1 | |
| Retzmann, Ursula | Ursula Retzmann | Choreographer | 1956 | 1 | |
| Roberts, Laverne | Laverne Roberts | Designer | 1956 | 1 | |
| Reihs, Bernhards | Bernhards Reihs | Director | 1956 | 1 | |
| Robertson, Helene | Helene Robertson | Actor | 1956 | 1 | |
| Rodgers, Mary | Mary Rodgers | Actor | 1956 | 1 | |
| Rosin, Warren | Warren Rosin | Actor | 1956 | 1 | |
| Reed, Jean | Jean Reed | Dancer | 1956 | 1 | |
| Ridino, Richard | Richard Ridino | Actor | 1956 | 1 | |
| Roenneke, Rolf | Rolf Roenneke (Rolf Roenneke) | Director | 1956 | 1 | |
| Rühl, Carl | Carl Rühl | Actor | 1956 – 1957 | 1 | |
| Richter, Georg | Georg Richter | Actor | 1956 – 1961 | 47 | |
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