My Stepmother Is an Alien

My Stepmother Is an Alien (1988)

Man's closest encounter.

  • Genre: Comedy, Science Fiction
  • Release Date: 1988-12-09
  • User Rating: 5.7/10 from 447 ratings
  • Runtime: 1h 48min
  • Language: English
  • Production Company: Weintraub Entertainment Group
  • Production Country: United States of America
  • Director: Richard Benjamin
star 5.7/10
From 447 Ratings


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.

My Stepmother Is an Alien Trailer

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  • 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)
  • Adrian Sparks

    as Dr. Morosini
  • Juliette Lewis

    as Lexie
  • Tanya Fenmore

    as Ellen
  • Karen Haber

    as Kristy
  • Amy Kirkpatrick

    as Kimberly
  • Suzie Plakson

    as Tenley
  • Robert Benedetti

    as Drill Sergeant
  • Jim Doughan

    as Party Guest
  • Jay McCaslin

    as Party Guest
  • Jim Jackman

    as Party Guest
  • Kevin McDermott

    as Olaf
  • Robyn Mandell

    as Kat
  • Lisa Croisette

    as Group Captain Winnek Wolfet
  • Sophia Bowen

    as 12th Navigational Command
  • Shea Bowen

    as 12th Navigational Command
  • Gabi

    as 12th Navigational Command
  • Gina Raymond

    as 12th Navigational Command
  • Susan Carlsberg

    as 12th Navigational Command
  • Maxine Wasa

    as Porn Actress
  • James Edward Veurink

    as Porn Actor
  • Earl Boen

    as Reverend
  • Michele Rogers

    as Skippy Budlong
  • Chere Rae

    as Station Wagon Driver
Sound Alan Silvestri Music
Art Charles Rosen Production Design
Camera Richard H. Kline Director of Photography
Production Jerry Weintraub Executive Producer
Costume & Make-Up Aggie Guerard Rodgers Costume Design
Sound Richard C. Franklin Sound Editor
Sound Charles L. Campbell Supervising Sound Editor
Sound Jerry Jost Sound Mixer
Production Laurence Mark Executive Producer
Writing Herschel Weingrod Writer
Writing Timothy Harris Writer
Costume & Make-Up Daniel C. Striepeke Makeup Artist
Visual Effects John Dykstra Visual Effects Supervisor
Directing Richard Benjamin Director
Editing Jacqueline Cambas Editor
Production Franklin R. Levy Producer
Production Art Levinson Executive Producer
Crew Phil Cory Special Effects
Production Ronald Parker Producer
Crew Dick Ziker Stunts
Crew Dick Ziker Stunt Coordinator
Directing Dick Ziker Second Unit Director
Crew Tracy Keehn-Dashnaw Stunt Double
Costume & Make-Up Christine Lee Hairstylist
Costume & Make-Up Rick Provenzano Hairstylist
Sound Paul Timothy Carden Sound Editor
Costume & Make-Up Brad Wilder Makeup Artist
Art Donald J. Remacle Set Decoration
Sound Louis L. Edemann Supervising Sound Editor
Sound Donald J. Malouf Sound Editor
Sound Nils C. Jensen Sound Editor
Sound Chuck Neely Sound Editor
Writing Jonathan Reynolds Writer
Crew Ray Svedin Special Effects
Writing Jerico Screenplay
Costume & Make-Up Chuck Velasco Costumer
Sound Larry Carow Sound Editor
Costume & Make-Up Kaori N. Turner Makeup Artist