Trying to rescue her home planet from destruction, a gorgeous extraterrestrial named Celeste arrives on Earth and begins her scientific research. She woos quirky scientist Dr. Steve Mills, a widower with a young daughter. Before long, Celeste finds herself in love with Steve and her new life on Earth, where she experiences true intimacy for the first time. But when she loses sight of her mission, she begins to question where she belongs.
Dan Aykroyd
as Steven Mills
Kim Basinger
as Celeste Martin
Jon Lovitz
as Ron Mills
Alyson Hannigan
as Jessie Mills
Joseph Maher
as Lucas Budlong
Seth Green
as Fred Glass
Ann Prentiss
as The Voice of the Bag (voice)
Wesley Mann
as Grady
Tony Jay
as Council Chief
Peter Bromilow
as Second in Command
Nina Henderson
as Cashier
Harry Shearer
as Carl Sagan (voice)
