United Kingdom, Sept. 8 -- Teri Hatcher had to think carefully before taking on The Devil Wears Prada musical in London, because she's her elderly parents' primary caregiver.

The Desperate Housewives is temporarily relocating to the British capital from Los Angeles to take on the role of Miranda Priestly in the musical adaptation of the film and book.

However, in an interview with Britain's HELLO! magazine, Teri admitted her 91-year-old parents, Esther and Owen, were her first thought.

She explained: "My dad has dementia and my mom's not really doing well," she says. "I moved them into a house up the street from me in Los Angeles, and so when this opportunity came along the first thing I considered was: 'Can I leave and what does that ...