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Feature film — 1988

My Stepmother Is an Alien (1988)

5.81h 48mComedy — Science Fiction

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.

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A high-signal pick with 627 votes.

Weintraub Entertainment Group / The Catalina Production Group

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Director: Richard Benjamin

On screen

Cast & crew

Dan Aykroyd as Steven Mills

Dan Aykroyd

Steven Mills

Kim Basinger as Celeste Martin

Kim Basinger

Celeste Martin

Jon Lovitz as Ron Mills

Jon Lovitz

Ron Mills

Alyson Hannigan as Jessie Mills

Alyson Hannigan

Jessie Mills

Joseph Maher as Lucas Budlong

Joseph Maher

Lucas Budlong

Seth Green as Fred Glass

Seth Green

Fred Glass

Ann Prentiss as Bag (voice)

Ann Prentiss

Bag (voice)

Wesley Mann as Grady

Wesley Mann

Grady

Tony Jay as Council Chief

Tony Jay

Council Chief

Peter Bromilow as Second in Command

Peter Bromilow

Second in Command

N

Nina Henderson

Cashier

Harry Shearer as Carl Sagan (voice)

Harry Shearer

Carl Sagan (voice)

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