Alfie Boe, Katherine Jenkins and cast celebrate Carousel opening
Ian McKellen and Christopher Biggins were among the guests at the London Coliseum
5 minutes with: Simon Callow - 'I went from selling tickets for Biggins to performing panto with him'
Currently starring in his one-man production of A Christmas Carol at the Arts Theatre, we talk to the actor about Dickens, the challenges of performing alone and his memorable Christmas shows
In pictures: Cast and stars celebrate opening night of Half a Sixpence
Elaine Paige, Cliff Richard and Christopher Biggins were among guests supporting the show