John Simm credited as playing...
The Master
- Razor: [to Missy] I love disguises. Do you still like disguises? Of course, they are... rather necessary when you happen to be someone's former prime minister.
- [Bill has been converted into a Cyberman]
- The Doctor: Bill? Bill, talk to me. What have they done to you?
- Nardole: Operation Exodus, whatever that is.
- Missy: Well, wrong name, for a start. This is not an exodus, is it? More of a beginning, really, isn't it?
- The Master: [enters] In fact, d'you know what I'd call it? I'd call it a Genesis.
- Missy: You've met the ex.
- The Master: Specifically, the Genesis of the Cybermen!