| Simmons, Lionel | Lionel Simmons | Actor | 1973 | 6 | |
| Scharafat, Kiumars | Kiumars Scharafat | Actor | 1973 | 1 | |
| Skowrońska, Maria | Maria Skowrońska | Actor | 1973 | 1 | |
| Schnell, Enno | Enno Schnell | Actor | 1973 | 1 | |
| Speisser, Heidi | Heidi Speisser | Actor | 1973 | 1 | |
| Stokke, Ståle | Ståle Stokke | Actor | 1973 | 1 | |
| Syversen, Marit | Marit Syversen | Actor | 1973 | 1 | 1 |
| Sigrist, Gundula | Gundula Sigrist | Costume Designer | 1973 | 1 | |
| Swift, Susan | Susan Swift | Actor, Costume Designer, Designer | 1973 | 3 | |
| Studencka-Kłosowicz, Ewa | Ewa Studencka-Kłosowicz | Actor | 1973 | 1 | |
| Scott, Henry | Henry Scott III | Designer | 1973 | 1 | |
| Seka, Ron | Ron Seka | Actor | 1973 | 1 | |
| Sorok, Jozef | Jozef Sorok | Actor | 1973 | 1 | 1 |
| Soukup, Karel | Karel Soukup | Actor | 1973 | 1 | |
| Slováček, Břetislav | Břetislav Slováček | Actor | 1973 | 1 | |
| Sergescu, Mihaela | Mihaela Sergescu | Musical Director | 1973 | 1 | |
| Sileanu, Ştefan | Ştefan Sileanu | Actor | 1973 | 1 | |
| Siafkalis, Nikos | Nikos Siafkalis | Director | 1973 | 7 | |
| Scott, Martin | Martin Scott | Actor | 1973 | 1 | |
| Sieveking, Alejandro | Alejandro Sieveking | Costume Designer, Director | 1973 | 2 | |
| Sotomayor, Luz, María | Luz María Sotomayor | Designer | 1973 | 1 | |
| Scully, Sean | Sean Scully | Actor | 1973 | 1 | |
| Seal, Christopher | Christopher Seal | Actor | 1973 | 1 | |
| Senftleben, Werner | Werner Senftleben | Actor | 1973 | 1 | |
| Sequi, Sandro | Sandro Sequi | Adaptation, Director | 1973 | 2 | |
| Sala Vicario, Gabriella | Gabriella Sala Vicario | Costume Designer | 1973 | 1 | |
| Senarica, Alfredo | Alfredo Senarica | Actor | 1973 | 1 | |
| Sinickaja, T. | T. Sinickaja | Musical Director | 1973 | 1 | |
| Scott, Elliot | Elliot Scott | Designer, Director | 1973 | 2 | |
| Summerfield, Stefanie | Stefanie Summerfield | Actor | 1973 | 1 | |
| Saario, Esa | Esa Saario | Actor | 1973 | 1 | |
| Somes, Michael | Michael Somes | Choreographer | 1973 | 1 | |
| Savva, Nana | Nana Savva | Composer, Musician | 1973 - 1974 | 3 | |
| Socci, Mario | Mario Socci | Actor | 1973 - 1974 | 2 | |
| Saligeri, Dada | Dada Saligeri | Costume Designer | 1973 - 1974 | 2 | |
| Sharland, Beryll | Beryll Sharland | Actor | 1973 - 1976 | 2 | |
| Sumner, John | John Sumner | Director | 1973 - 1977 | 2 | |
| Schinca, Eduardo | Eduardo Schinca | Actor, Adaptation, Director | 1973 - 1979 | 8 | |
| Schauwienhold, Friedhelm | Friedhelm Schauwienhold | Director | 1973 - 1980 | 2 | |
| Shenar, Paul | Paul Shenar | Actor | 1973 - 1981 | 3 | 1 |
| Stärz, Rudolf | Rudolf Stärz | Actor | 1973 - 1984 | 2 | |
| Stopka, Czesław | Czesław Stopka | Actor | 1973 - 1989 | 2 | |
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