| Seiffert, Hanna | Hanna Seiffert | Actor | 1978 - 2003 | 7 | |
| Seatle, Dixie | Dixie Seatle | Actor | 1978 - 2003 | 3 | |
| Schaerf, Wolfram | Wolfram Schaerf | Actor | 1978 - 2003 | 2 | |
| Stabell, Thea | Thea Stabell | Director | 1978 - 2002 | 78 | |
| Sid, Sven | Sven Sid | Actor | 1978 - 2001 | 9 | |
| Stĕpánek, Petr | Petr Stĕpánek | Actor | 1978 - 1999 | 2 | |
| Stoesen, Christine | Christine Stoesen | Actor, Designer | 1978 - 1997 | 115 | |
| Stoicescu, Mihai | Mihai Stoicescu | Actor | 1978 - 1995 | 2 | |
| Shoji, Hajime | Hajime Shoji | Actor | 1978 - 1990 | 3 | |
| Shimizu, Toshihiko | Toshihiko Shimizu | Lighting Designer | 1978 - 1990 | 2 | |
| Stöckl, Ilse | Ilse Stöckl | Actor | 1978 - 1989 | 3 | |
| Sandlund, Rune | Rune Sandlund | Actor | 1978 - 1987 | 2 | |
| Strömberg, Kristian | Kristian Strömberg | Sound Designer | 1978 - 1986 | 2 | |
| Schafer, Lawrence | Lawrence Schafer | Designer | 1978 - 1985 | 2 | |
| Schröder, Jutta | Jutta Schröder | Actor | 1978 - 1981 | 2 | |
| Scherjon, Elsje | Elsje Scherjon | Actor | 1978 - 1981 | 2 | |
| Stensland, Johanna | Johanna Stensland | Actor | 1978 - 1980 | 3 | |
| Sundberg, Pernilla | Pernilla Sundberg | Actor | 1978 - 1980 | 3 | |
| Schøyen, Liv | Liv Schøyen | Dramaturg, Translator | 1978 - 1980 | 6 | |
| Sanengen, Kari | Kari Sanengen | Actor | 1978 - 1980 | 2 | |
| Stevens, Roy, K. | Roy K. Stevens | Actor | 1978 - 1980 | 3 | |
| Scharoff, Elsa | Elsa Scharoff | Actor | 1978 - 1979 | 2 | |
| Stepanek, Lilly | Lilly Stepanek | Actor | 1978 - 1979 | 3 | |
| Sundquist, Folke | Folke Sundquist | Costume Designer, Designer, Director | 1978 - 1979 | 6 | |
| Saiki, Akaya | Akaya Saiki | Actor | 1978 | 2 | |
| Sidorowicz, Jerzy | Jerzy Sidorowicz | Choreographer | 1978 | 1 | |
| Stenzel, Jürgen | Jürgen Stenzel | Actor | 1978 | 1 | |
| Slotwilski, Jozef | Jozef Slotwilski | Director | 1978 | 1 | |
| Szalkowski, Marian | Marian Szalkowski | Composer | 1978 | 1 | |
| Schreiber, Katrin | Katrin Schreiber | Actor | 1978 | 1 | |
| Szczepaniak, Marta | Marta Szczepaniak | Actor | 1978 | 1 | |
| Szczecińska, Ewa | Ewa Szczecińska | Actor | 1978 | 1 | |
| Siedlecki, Andrzej | Andrzej Siedlecki | Actor | 1978 | 1 | |
| Simonsen, Marit | Marit Simonsen | Actor | 1978 | 6 | |
| Skalleberg, Kjell | Kjell Skalleberg | Mask Maker | 1978 | 2 | |
| Salen, Sigrid | Sigrid Salen | Actor | 1978 | 1 | |
| Sydness, Richard | Richard Sydness | Actor, Designer, Lighting Designer | 1978 | 3 | |
| Sauge, Kirsten | Kirsten Sauge | Actor | 1978 | 1 | |
| Schei, Grethe | Grethe Schei | Actor | 1978 | 1 | |
| Spjøtvoll, Hildegunn | Hildegunn Spjøtvoll | Actor, Costume Designer | 1978 | 2 | |
| Steen, Gunnar A. | Gunnar A. Steen | Sound Designer | 1978 | 1 | |
| Sørensen, Per, Hinz | Per Hinz Sørensen | Lighting Designer | 1978 | 1 | |
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