Race to Witch Mountain (2009)

In Las Vegas, ex-convict and cab driver Jack Bruno finds himself caught in an alien mayhem. Not only is he being pursued by henchmen from his criminal past, but he crosses paths with two alien siblings, Sara and Seth, who seek his help in staving off an invasion... As they are stalked by the government and a lethal space assassin, they reveal their mission to save Earth. Together, they embark on a perilous journey to retrieve their ship from a base on Haunted Mountain. Can they then forge an alliance and protect two worlds?