For Dastmalchian, who is living the nerd's dream with his various horror and comic book movie roles, acting opposite Skarsgård was a big deal, and not just because he's a big fan.
Working alongside the Swedish actor was a mind-numbing prospect for Dastmalchian. He told The Hollywood Reporter that their first scene together was in the steam room.
Dastmalchian said that despite the incredible prosthetic and design, “his eyes and his voice are the most powerful part of his performance, adding, “He just scared the crap of me."