samantha barks might not be in this
In this article, http://www.dailymail.co.uk/tvshowbiz/article-2264154/Samantha-Barks-On -Not-says-Les-Miserables-Eponine.html , at the very end is says
"Indeed, when I visited Pinewood I also noticed how she and the camera were comfortable together. Samantha has a great career ahead of her, but she won’t just be doing musicals.
She wants to do ‘straight’ acting, as well as singing roles.
To that end she won’t be doing the musical film Walking On Sunshine, opposite Kylie Minogue, because she doesn’t want to be typecast as just a musical performer."