My Stepmother Is an Alien

My Stepmother Is an Alien (1988) is a comedy, science fiction film directed by Richard Benjamin rated 5.8/10.

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.

Cast

Dan Aykroyd

Steven Mills

Kim Basinger

Celeste Martin

Jon Lovitz

Ron Mills

Alyson Hannigan

Jessie Mills

Joseph Maher

Lucas Budlong

Seth Green

Fred Glass

Ann Prentiss

The Voice of the Bag (voice)

Wesley Mann

Grady

Tony Jay

Council Chief

Peter Bromilow

Second in Command

Nina Henderson

Cashier

Harry Shearer

Carl Sagan (voice)