Karen, Sarah, and Emma Tunney are all moving to a small town in Pennsylvania where, unknown to them, in 1913, a horrid mine accident trapped dozens of children alive, underground. But there's a problem. They're still alive.
Lori Heuring
as Karen Tunny
Scout Taylor-Compton
as Sarah Tunny
Chloë Grace Moretz
as Emma Tunny
Geoffrey Lewis
as Harold Thompson
Ben Cross
as Aaron Hanks
Julie Rogers
as Lisa
Michael McCoy
as Walter
Velizar Binev
as Bull Foreman
Martin McDougall
as William Carlton
Chris Jamba
as Sean
Craig Vye
as Tim
Vladimir Mihaylov
as Trevor
