Complex sentence: On 14 October 2016, Michelle Gomez announced that she would reprise her role of Missy in the series, and in May 2017, she further stated that it would be her last series in the role.
Split into simpler sentences: On 14 October 2016, Michelle Gomez confirmed that she would reprise her role of Missy in the series. In May 2017, she further confirmed that it would be her last series in the role.