Hello and one to the Red Box Politics Podcast on The Times, I'm Matt Chorley.

What's it like to be Prime Minister at the centre of a crisis?

When do you take the big decisions?

Whose advice do you listen to?

And when do you've convene COBRA?

That semi-mythical crisis committee, which is called upon whenever big things happen.

No, not the predicament that Boris Johnson finds himself in, but the plot of a new Sky1 drama,

COBRA, about a Danish street under siege from a catastrophe that risks running out of control.

I'm delighted to be joined by the writer Ben Richards who has you've been

involved in loads of dramas that people have heard of. I read them all out it would take up

most of the podcast and the star Robert Carlya who plays the Prime Minister.

Robert Southern, welcome to you both.

Robert, you've played a drug addict in train spotting,

a stripping steel work in the full Monte,

a bond bounty in the world is not enough,

and now you've achieved respectability.

As that what is?

Or maybe not, maybe not.

What's it, how do you prepare to become

Prime Minister for a show like this?

I mean, I guess the easy thing I suppose is the research for something like this because there's so much of out there.

You know you can on YouTube you can watch lots of videos, read lots of books and trying to kind of

...