Farrell’s physicality matches his minutely calibrated vocal rasp as Oz. He’s not recognizable as Colin Farrell but in this world of deception and shadows, the casting works. And for all the low-light nightclub murmuring going on,

The cast and crew of the new HBO series talk in great detail about how Colin Farrell transformed on-screen, physically and artistically, into becoming Oswald "Oz" Cobbs.

Colin Farrell got candid about his reaction on watching the Penguin's look for the first time at Matt Reeves' office for The Batman.