Task: Text Simplification
Input (English): aside from this , cameron has often worked in christian-themed productions , among them the post-rapture films left behind : the movie , left behind ii : tribulation force , and left behind : world at war , in which he plays cameron " buck " williams.
Output (English): apart from this , cameron has used to work in christian-themed productions , among them the post-rupture films left behind : the movie , left behind ii : tribulation force , and left behind : world at war , in which he plays cameron " buck " williams.