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My Stepmother Is an Alien
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.
Release Date: 1988-12-09
Comedy
Science Fiction
★★★★★★★★★★ (524 votes)
Casts
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Dan Aykroyd
as Steven Mills
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Kim Basinger
as Celeste Martin
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Jon Lovitz
as Ron Mills
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Alyson Hannigan
as Jessie Mills
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Joseph Maher
as Lucas Budlong
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Seth Green
as Fred Glass
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Ann Prentiss
as The Voice of the Bag (voice)
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Wesley Mann
as Grady
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Tony Jay
as Council Chief
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Peter Bromilow
as Second in Command