The director is the captain of the ship, without question. No matter what their talent or energy level is, everyone on the crew has all eyes on the captain. If they come in going, "I don't know. Maybe we'll do this. Maybe we'll do that," you've got 10 days to shoot and they don't care what you're doing.

The power of television - it's so present in our lives, we don't even know how powerful it is.

It's not exactly an interview that's going on [in documentary]. I guess we do ask Edward Snowden some questions and we're recording him answering them and so on like that.

You have this certain about of responsibility to play a fictitious character and you have a script that's guiding you and the other information of the custom department's choices, and the set department, "Where are you," and all those other pieces of information but you have to cull from your imagination the answer to all the unasked questions. And with a real person, there's someone to get that information from, perhaps.

I have been known for almost 30 years to sort of do whatever comes my way. It's always been touch-and-go after each job finishes. I just like to be working.

"I'm going to show you I haven't given you permission because clearly you're not grown up enough to understand that, not having given you permission, you can't just come look in my house." And I won't know if they're coming and looking or not... so I put a piece of tape over it.

The director is the captain of the ship, without question. No matter what their talent or energy level is, everyone on the crew has all eyes on the captain. If they come in going, "I don't know. Maybe we'll do this. Maybe we'll do that," you've got 10 days to shoot and they don't care what you're doing.