Earthbound (1981)

Description   [from Freebase]

Earthbound is a 1981 American science fiction film. When a family of aliens is stranded in the Midwest after their spaceship crashes, a kind innkeeper takes them in. Their peace is threatened by a government agent who wants to assure that the aliens cannot intermingle with humankind.

Portions from Freebase, licensed under CC-BY and Wikipedia licensed under the GFDL