Viola, who, with her twin brother Sebastian, is shipwrecked upon the coast of Ilyria.
Antonio, a sea captain who befriends Sebastian, though at great risk, for he has been forbidden to enter Ilyria.
The lovely and charming Viola was cast upon the shores of Ilyria, where she was befriended by a kind sea captain.
When Sebastian decided to visit the court of Duke Orsino at Ilyria, Antonio, although he feared that he might be arrested because he was the duke's enemy and had one fought a duel with Orsino, decided to accompany his young friend.
Antonio explained that he had rescued and befriended the duke's present companion Sebastian, and because of his deep friendship for the lad had accompanied him to Ilyria despite the danger his visit involved.