<?php $cast_members = get_post_meta($post->post_parent, 'cast_members', true); ?> <p><?php echo wpautop($cast_members); ?></p> <?php endif; ?>
<?php $cast_members = get_post_meta($post->post_parent, 'cast_members', true); ?> <p><?php echo wpautop($cast_members); ?></p> <?php endif; ?>