The show had a budget of £2,000,000, employing more than 400 cast and crew and 177 individual costumes.
The show's set alone cost an estimated £750,000.
Kara Tointon is profoundly dyslexic which makes learning her lines extremely problematic for her. As a result she has to employ particular and unusual strategies which show real dedication and determination to succeed as an actress.
This is not the first time Julie Atherton, who plays Sister Margaretta, has appeared in a musical as a nun; she also played Sister Mary Robert in the UK tour of 'Sister Act'.