The actor is playing the notorious villain the Master on the time-travel show.
And Matt [Strevens,Doctor Whoexecutive producer] was like, No, of course you are.
They were like, Dont worry, turn up on the day and do your thing.

Credit: Ben Blackall/BBC Studios/BBC America
And I was like, No, no, I cant do that.
Thats when I became really excited about how I was going to interpret the role.
I couldnt say anything, I just had to sit across the table.
He must have been thinking, Why is this actor just staring at me?
But hopefully now he knows.
I was like, Oh my God!
So we shot in South Africa, and the rest was shot in Cardiff.
It was quite scary because youre not sure if people are going to like the take on your character.
But more answers lead to more questions.
Yes, its pretty chaotic and action-packed, in one sense.
Its also incredibly emotional as well.