Alonzo, Duke of Savoy, and Usurper of the Dukedom of Mantua.
Ferdinand, his Son.
Prospero, right Duke of Milan.
Antonio, his Brother, Usurper of the Dukedom.
Gonzalo, a Nobleman of Savoy.
Hippolito, one that never saw woman, right Heir of the Dukedom of Mantua.
Stephano, Master of the Ship.
Mustacho, his Mate.
Trincalo, Boatswain.
Ventoso, a Mariner.