Viola: a lady of Messaline shipwrecked on the coast of Illyria (later disguised as Cesario), twin sister of Sebastian.
Olivia: a rich Illyrian countess.
Maria: a waiting-gentlewoman for Olivia.
Orsino: the duke of Illyria, in love with Olivia.
Sir Toby Belch: The uncle of Olivia.
Sir Andrew Aguecheek: A rich and foolish knight and friend of Sir Toby Belch.
Malvolio: A steward in Olivia’s household.
Feste: A jester and servant of Olivia.
Fabian: A gentleman in Olivia’s household.
Sebastian: The twin brother of Viola.
Antonio: A sea captain and true friend of Sebastian.
A Sea Captain: A friend of Viola.
Valentine: A gentleman attending Orsino.
Curio: Another gentleman attending Orsino.
Priest, Officers, Lords, Sailors, Attendants