Performer instead of actor... and director... and playwright ?
Spectator | Theatre [filmplus.org/spectator]
Spectator | Film
Spectator | Web [spectator.vtheatre.net]
Virtual Theatre Spectator [1 and 2]
... right table --
Characters : 
Creative Crew [Muses] :
The third group consist of the Seven Liberal Arts with the addition of Poetry, Philosophy and Theology to bring the number up to ten. The Liberal Arts lay at the basis of scholasticism and consist of the Trivium of Grammar, Rhetoric and Dialectic, which trained the mind in the use of language, and the Quadrivium of Geometry, Arithmetic, Music and Astronomy, which four constituted the domain of medieval science. Each of these bear a symbol
Grammar File and Vase Logic Veiled Dragon Rhetoric Sword Geometry Circle, Square, Triangle Arithmetic Coins or counters Music Flute Poetry Flute and a Vase Philosophy Arrow and Shield (Athene figure) Astrology Sphere of Stars and pointer (Angelic figure) Theology Sphere of Heaven and Earth (Androgyne figure)[ image ]
The fourth decade consist of the seven Cardinal Virtues appearing as female figures together with three Spirits (or Genius') of Life (or the Sun), Time and the Cosmos, these being shown as male Angels, each carrying a symbol. The seven Cardinal Virtues also have animal figures beside them.
Iliaco Sun disc Chronico Ouroboros Dragon Cosmico Heavenly Globe Temperance Two vases Dog, Cat, weasel, or stoat/ermine Prudence Mirror Dragon Strength Sceptre Lion Justice Sword and scales Crane Charity Wallet, offering charity Pelican Hope in attitude of prayer phoenix Faith Chalice and Host DogThese represent that which works in the higher soul of humanity as the virtues dwelling in the conscience. As the aspiring soul develops towards inward perfection, rising to an awareness of the spiritual genius behind the life force (the Sun), Time and Space, then there will inwardly develop from the seed of conscience rooted in the soul, the Virtues, which will unfold and grow from within to express themselves in ones outer actions.
[ image ]
The final decanate is that of the heavenly spheres - the seven planets and the three higher spheres each having a symbol.
Luna Moon disc
Mercury Flute Caduceus with two
intertwined dragons Cock
Venus Seashell Ducks
Sun Sun disc Scorpion Crabs
Mars Sword Dogs (hunting)
Jupiter Arrow (thunderbolt) Eagle
Saturn Scythe Ouroboros
Eighth Sphere Starry Disc
Prime Mover Empty Sphere
First Cause Cosmos
[ image ] glosasary : Plato's theory of forms (or ideas) -- new life.
read -- http://www.levity.com/alchemy/mantegna.html
http://en.wikipedia.org/wiki/Muse : 9 Sisters
... http://en.wikipedia.org/wiki/Meme and Mnemosyne, mother-sister-of her husband.