I've done a bit of live action before but the fight sequences, the wire work and the physical regime were taken to another level [ in Doctor Strange].

I have actual acting scars.

You let things run in order to have some sanity and be able to do your work and not feel pre-judged.

Pull the hair on my head the wrong way, and I would be on my knees begging for mercy. I have very sensitive follicles.

I've said for quite a long time I'd like him to have a different haircut. I quite like my hair being short. You know, we've been away two years, let's f*** around with his outfit, let's f*** around with his haircut, let's do something different.

I was very keen to work on the script with Scott Derrickson and [C. Robert] Cargill, and working out the important story beats, changing lines, upping the comedy, changing the pace, all of that was great fun.

[Doctor Strange] gets scraped off the floor and then thrown right down to hell again and then slowly pulls himself back up.