Fan Casting Space Invaders (2012)

In the year 2067, the Earth succumbs to a merciless attack spawned by a fleet of crabs, octopuses and squids from deep within the unknown reaches of the galaxy. As the last of Earth's military forces are shot down, Glenn Jayworthy (Robin Williams), a retired military soldier is called into the line of duty possibly for the last time. The fate of the Earth is in the hands of Glenn and his comrades Zachary Cluse (Morgan Freeman) and Jena Faulkner (Jessica Biel), the last of the Elite Space Fleet.