- Jeremy Webb: Now, I remeber when I read 'the mysterious lady with her back to us', I thought 'how on earth can I disguise... [Alex Kingston & her hair]'. I thought long and hard, and uhm, I couldn't find a solution, I'm afraid.
- Steven Moffat: There isn't one. No. It's just... I have moments of optimism when I write scripts. But you think: nobody else has this much hair.