The many disguises, and in particular the matching of one masked quartet with another identically costumed and vizarded
foursome, mirror the duplicity, doubleness, and 'smooth-brow'd treachery' (23) that courtiership required, frequently alluded to in play-texts of the era.
The only other 'spirit' in this play is one of Dog's minions, disguised 'in shape of Katherine, vizarded
in order to lead clown Cuddy Banks into a pond and dunk him (SD.
The stage directions indicate that Bosola should be vizarded
when he first captures the Duchess and her family in flight.