"I'm still in the infancy of learning all that," Cumberbatch told EW of learning the character's mannerisms. "It was like, okay, I've got to keep throwing these poses, these spells, these rune-casting things, everything he does physically. I'm thinking, there's going to be a huge amount of speculation and intrigue over the positioning of that finger as opposed to it being there, or there. And I'm still working on that. We haven't played any of those scenes yet. I felt really self-conscious. But, then, by the end, it was great. It's like anything, you just have to experiment."