An alien is left behind on Earth and saved by the 10-year-old Elliot who decides to keep him hidden in his home. While a task force hunts for the extra-terrestrial, Elliot, his brother, and his little sister Gertie form an emotional bond with their new friend, and try to help him find his way home.
Henry Thomas
as Elliott
Drew Barrymore
as Gertie
Robert MacNaughton
as Michael
Peter Coyote
as Keys
Dee Wallace
as Mary
Erika Eleniak
as Pretty Girl
K.C. Martel
as Greg
C. Thomas Howell
as Tyler
Sean Frye
as Steve
David M. O'Dell
as Schoolboy
Richard Swingler
as Science Teacher
Frank Toth
as Policeman
