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The Sex Monster (1999)

R  |   |  Comedy  |  15 May 1999 (USA)
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Ratings: 5.3/10 from 2,184 users  
Reviews: 42 user | 8 critic

Marty Barnes gets more than he wishes for when he asks his wife to join him in a menage-a-trois. She loves it and he has created a Sex Monster.



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Cast overview, first billed only:
Joanna Heimbold ...
Salon Customer
Noah Stone ...


A neurotic L.A. building contractor pushes his wife into entering into a three way sexual relationship. Unfortunately for him, his wife gets more out of it than he does and becomes a tigress seducing every female she meets including the contractor's secretary. Written by John Sacksteder <>

Plot Summary | Add Synopsis


His fantasy was a great idea, until she liked it... a lot! See more »



Motion Picture Rating (MPAA)

Rated R for strong sexual content including dialogue and for language | See all certifications »

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Release Date:

15 May 1999 (USA)  »

Also Known As:

Sex Monster  »

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Did You Know?


The first time Marty pours himself a cup of coffee and spills it, the spilled coffee disappears and his cup moves about between shots. See more »


Marty Barnes: Listen to me, you're taking the whole thing way too far. You're tying women up and you're gagging them now! That's too far! What's next? I'm gonna come home one day and you're gonna be performing surgery on some girl?
See more »


Referenced in Creating 'The Upside of Anger' (2005) See more »

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User Reviews

Be careful what you wish for, you may get exactly that
1 October 2001 | by (Auckland, New Zealand) – See all my reviews

Do not be misled by the title into thinking this is the latest in a long and star-studded line of the Playboy movie of week fare. This is actually an amusing if someone self-fulfilling and happy meal packaged film. Its focus is on a Husband (Mike Binder) and his subservient and submissive wife (Mariel Hemmingway) who is finally convinced her to give in to her natural female instincts and allow another woman into the marital bed. What starts off down the trail of many a male's fantasy quickly goes astray when it is apparent that he is no longer needed in the bedroom.

Mikes downward spiral is amusing as he goes from shear disbelief that he is living the playboy ideal to pleading with his wife to refrain from sleeping with his baby sister. The movie was written and directed by Mike Binder who acquits him self nicely as he takes on the role of protagonist and victim during the some 94 minutes running time. Though never fully rising above the straight to video look, the film does not bore or detract from the comedy of a now fully functioning sex monster wife, who is out to sleep with just about every woman she comes across. Mariel Hemmingway is rather amusing and begs the question, where in her career did she go wrong? She is both pretty and entertaining, qualities it would seem, should have destined her for Julia Roberts heights. Alack alas the movie gods are cruel by nature it would seem. Stephen Baldwin makes a fleeting appearance as a business partner whose wife appears to have been locked in a tower for most of her adult life.

Those looking to find something to pass time, have a laugh and have the message "be careful for what you wish, you may just get it" beaten into you, can rest assured you will find what you are looking for here. However for those of you, who may have seen the title and thought that it would be an excellent way to get your rocks of, I suggest you go find one of those Playboy movies of week I discussed earlier.

5 of 7 people found this review helpful.  Was this review helpful to you?

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