Sharp plays Derek, a brilliant college student obsessed with unidentified flying object sightings. He finds himself embroiled in a covert FBI investigation when he begins looking into reports of UFOs at a nearby airport. Anderson plays his math professor and Purnell his girlfriend.
The two-minute trailer features multiple scenes at the Cincinnati/Northern Kentucky International Airport, along with a nighttime shot from a park overlook.
"UFO" is being released directly to DVD and digital streaming on Sept. 4.