Guido Baumann

Self - Host

Theo Adam

Self

Martina Arroyo

Self

Piero Cappuccilli

Self

Tatiana Troyanos

Self

Grace Bumbry

Self

Plácido Domingo

Self

Sylvia Geszty

Self

Franz Crass

Self

Walter Berry

Self

Fiorenza Cossotto

Self

Peter Schreier

Self

Giuseppe Di Stefano

Self

Tito Gobbi

Self

Ingeborg Hallstein

Self

Gwyneth Jones

Self

Mirella Freni

Self

Roberta Peters

Self

Michael Pfleghar

Director