“It’s quite an enjoyable moment to go through – obviously there were times where I felt bad for my fellow team members. So we’d make sure they knew that it was me inside there, a gentle touch of an arm or just to look in their eye to say, ‘It’s me by the way, it’s OK’.

“I think it put quite a few people at rest, but some of the crew were terrified, particularly when we first started working. I was skulking round a corner and bumped into a crew member, and there was this scream from the side of the stage, and I chuckled to myself. That was fun!.

Earlier Sadie Sink and Millie Bobby Brown have also revealed that they were scared of Jamie Campbell Bower.