Othello behind Cassio and badly cuts his leg. In the darkness, Iago manages to hide his identity, and when Lodovico and Gratiano hear Cassio's cries for help, Iago joins them. When Cassio identifies Roderigo as one of his attackers, Iago secretly stabs Roderigo to stop him revealing the plot. Iago then accuses Bianca of the failed conspiracy to kill Cassio. Othello confronts Desdemona, and then strangles her in their bed. When Emilia arrives, Desdemona defends her husband before dying, and Othello accuses Desdemona of adultery. Emilia calls for help. The former governor Montano arrives, with Gratiano and Iago. When Othello mentions
Desdemona as "Othello" and out of character for Desdemona. Today, however, the purpose of the passage is sometimes viewed as a depiction of Desdemona's awareness of the way of the world, and her persistence in pursuing the exchanges as a characteristic innocent overconfidence displayed elsewhere in the play (3.3.41–83, 3.4.90ff). On 8 December 1660, Thomas Killigrew's new King's Company acted "Othello" at their Vere Street theatre, with Margaret Hughes as Desdemona – possibly the first time a professional actress appeared on a public stage in England. She played Desdemona in the performance of "Othello" seen by Samuel Pepys on 6 February