Othello his lieutenant. Act III, scene iii is considered to be the turning point of the play as it is the scene in which Iago successfully sows the seeds of doubt in Othello's mind, inevitably sealing Othello's fate. Iago plants the handkerchief in Cassio's lodgings, then tells Othello to watch Cassio's reactions while Iago questions him. Iago goads Cassio on to talk about his affair with Bianca, a local courtesan, but whispers her name so quietly that Othello believes the two men are talking about Desdemona. Later, Bianca accuses Cassio of giving her a second-hand gift which he had received from
Bianca (Othello) Bianca (Othello) Bianca is a fictional character in William Shakespeare's "Othello" (c. 1601–1604). She is Cassio's jealous lover. Despite her brief appearance on stage, Bianca plays a significant role in the progress of Iago's scheme to incite Othello's jealousy of Cassio. Bianca is traditionally regarded as a courtesan, although this occupation is not specifically designated in the drama. The character was occasionally cut from performances in the 19th century on moral grounds. Bianca is not to be confused with Bianca Minola in Shakespeare's "The Taming of the Shrew". "Othello" has its source in the 1565 tale "Un Capitano Moro" from