| Rongeot, Stéphanie | Stéphanie Rongeot | Actor | 1996 - 1997 | 30 | |
| Roni, - | - Roni | Actor | 2006 | 1 | |
| Ronk, Douglas | Douglas Ronk | Actor | 2004 | 1 | |
| Ronkainen, Pekka | Pekka Ronkainen | Lighting Designer | 1990 | 1 | |
| Rönn, Ove | Ove Rönn | Actor | 1967 | 1 | |
| Rönnberg, Katariina | Katariina Rönnberg | Actor | 1980 | 1 | |
| Rönnblad, Hugo | Hugo Rönnblad (Hugo Rönnblad) | Actor | 1889 | 1 | |
| Rönnebeck, Emma | Emma Rönnebeck | Actor | 2008 | 3 | |
| Rönnebeck, Tilmann | Tilmann Rönnebeck | Actor | 2005 - 2006 | 2 | |
| Rönnegård, Sofia | Sofia Rönnegård (Sofia Rönnegård) | Actor | 2007 | 1 | |
| Ronning, Robert | Robert Ronning | Actor | 1970 | 1 | |
| Ronsin, - | - Ronsin (- Ronsin) | Designer | 1906 | 1 | |
| Rontiris, Dimitris | Dimitris Rontiris | Adaptation, Assistant Director, Director | 1934 - 1935 | 4 | |
| Röntz, Wilhelm | Wilhelm Röntz | Director | 1907 | 1 | |
| Ronze, Xavier | Xavier Ronze | Costume Designer | 2012 | 11 | |
| Ronzier, Rolf | Rolf Ronzier | Dramaturg | 2005 - 2009 | 3 | |
| Roo, Ago | Ago Roo | Actor | 1984 | 1 | |
| Roo, Sara de | Sara De Roo | Actor, Director | 1993 - 2014 | 144 | |
| Roof, J. Larry | J. Larry Roof | Designer, Lighting Designer | 1965 | 2 | |
| Rook, Katie | Katie Rook | Actor | 2004 | 1 | |
| Rook, Laura | Laura Rook | Assistant Director | 2019 | 1 | |
| Rooke, Irene | Irene Rooke | Actor | 1920 - 1928 | 3 | |
| Rookes, Douglas | Douglas Rookes | Director | 1951 | 1 | |
| Rooks, Angela | Angela Rooks | Actor | 2000 | 1 | |
| Roome, Phyllis | Phyllis Roome | Director | 1999 | 10 | |
| Rooms, Koen | Koen Rooms | Actor | 2007 | 1 | |
| Roon, Serge | Serge Roon | Actor, Director | 1974 - 1977 | 2 | |
| Rooney, Deborah | Deborah Rooney (Deborah Rooney) | Costume Designer | 1994 - 1995 | 2 | |
| Rooney, Tom | Tom Rooney | Actor | 2001 | 1 | |
| Rooper, John | John Rooper | Actor | 1964 | 1 | |
| Röör, Gunilla | Gunilla Röör | Actor | 1987 - 2006 | 5 | |
| Roos, André | André Roos | Composer | 1987 | 1 | |
| Roos, Arjan | Arjan Roos | Actor | 1994 | 1 | |
| Roos, Axel | Axel Roos (Axel Roos) | Actor | 1877 - 1885 | 4 | |
| Roos, David | David Roos | Actor | 2017 - 2021 | 5 | |
| Roos, Gustav | Gustav Roos (Gustav Roos) | Actor | 1927 | 1 | |
| Roos, Joanna | Joanna Roos | Actor | 1960 | 2 | |
| Roos, Juliette | Juliette Roos (Juliette Roos) | Actor | 1925 - 1928 | 3 | |
| Roos, Lars-Peter | Lars-Peter Roos | | | | 4 |
| Roos, Lotten | Lotten Roos | Actor | 2001 | 1 | |
| Roos, Mari-Liis | Mari-Liis Roos | Actor | 1978 | 1 | |
| Roos, Sanna | Sanna Roos (Sanna Roos) | Actor | 2013 | 1 | |
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