Ezra Miller is stoked about playing the Flash.
How could he not be?
I was definitely nervous and excited every single day, Miller says about being on set.

DC
(EW spoke with the actor in June.)
I definitely was feeling like Barry, stepping into the big leagues with this incredible group of collaborators.
Feeling like Barry, trying to do the best job I could do.
Its nice when you have that art mirror life mirror art mirror life mirror art thing going on.
Putting on the costume was, initially, a lengthy expedition.
I would feel like a Victorian lady with my chambermaids.
By the end of shooting, the costuming process was a bit less intense.
Well, you know, look, says Miller.
Miller, who speaks with fluency about the different eras of Flash lore, has clearly anticipated this question.
Things have to progress, you know?
Original Barry Allen was clearly an incredibly, incredibly clever scientist.
We acknowledge and respect that.
He adds, playfully, We want to apologize to the fans who are mad about the ring thing.
I know the ring is the coolest thing about the DC universe, he says.
It was a little hard for us to sell in this version of this universe right now.
Theres gonna be other cool things.