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
Othello and Othello in productions to stir audience interest since the nineteenth century. Two of the most notable examples of this role swap were William Charles Macready and Samuel Phelps at Drury Lane (1837) and Richard Burton and John Neville at The Old Vic (1955). When Edwin Booth's tour of England in 1880 was not well attended, Henry Irving invited Booth to alternate the roles of Othello and Iago with him in London. The stunt renewed interest in Booth's tour. James O'Neill also alternated the roles of Othello and Iago with Booth. The American actor William Marshall performed the title role