The movie features a cast of notable actors, each bringing their characters to life:
The teens reveal they are actually extraterrestrial children who crashed on Earth. They must reach "Witch Mountain," a secret government facility in the Nevada desert, to retrieve their spacecraft and save both their home planet and Earth from an impending invasion. Standing in their way is Henry Burke (Ciarán Hinds), a ruthless government agent leading a task force to capture the aliens, and the "Siphon," a deadly armored assassin sent from their home world to terminate them. Key Cast and Characters filmyzilla race to witch mountain