inflexible: a marked character.

BOURGOGNINO, a conspirator, a youth of twenty; frank and high-spirited,
proud, hasty, and undisguised.

CALCAGNO, a conspirator, a worn-out debauchee of thirty; insinuating and
enterprising.

SACCO, a conspirator, forty-five years of age, with no distinguishing
trait of character.

LOMELLINO, in the confidence of the pretender, a haggard courtier.

ZENTURIONE, |
ZIBO, | Malcontents.
ASSERATO, |

ROMANO, a painter, frank and simple, with the pride of genius.

MULEY HASSAN, a Moor of Tunis, an abandoned character, with a physiognomy
displaying an original mixture of rascality and humor.

A GERMAN of the ducal body-guard, of an honest simplicity, and steady
bravery.

THREE SEDITIOUS CITIZENS.

LEONORA, the wife of Fiesco, eighteen years of age, of great sensibility;
her appearance pale and slender, engaging, but not dazzling; her
countenance marked with melancholy; her dress black.