Rhys Ifans - Rhys Ifans Spooked Emma Stone On Spider-man Set

The actress wanted to look genuinely terrified on camera so she asked Ifans to record a creepy audio tape while in character as Dr. Curt Connors, who transforms into the villainous Lizard in the comic book blockbuster.

Ifans explains, "They were just shooting her locked in this little closet and I had to go off and shoot something else that afternoon so they wanted a tape of my voice, you know, wandering around the lab. I did a dark, filthy version that would obviously never make it to the film."

Stone refuses to reveal just what Ifans said to make her so scared, but she admits even the hardened crew members were frightened.

She adds, "I was in the closet and The Lizard is talking to me when I'm hiding. And the actual lines for The Lizard are, like, 'I can smell your perfume' and they were playing over the loud speaker for me. But I asked Rhys to record something that would just really, truly terrify me. Not as (my character) Gwen, but me as Emma.

"He said some horrifying, horrifying things. It was awful. And he was so incredible to do it, but everyone on set was like, 'I'm going to have nightmares.' It was like being in a horror movie... He terrified the crap out of me... which was so amazing of him to do."