Stellan Skarsgård is standing in a studio in Paris, posing for a picture as the photographer Arash Khaksari micromanages the actor’s feet. “A little to the left… To the right. Could you shift your left foot just 2cm forward?”
Skarsgård – tall, looming, well over 6ft in his socks – shuffles obligingly. “Forward,” the photographer continues. “That’s right. Then just to the side…” The actor’s expression darkens momentarily with frustration. “If you were my…

