Before I write what I see as the correct answer to this question I’d like to remind all readers and writers of this blog that blogs should be reserved for discussing what type of pass-time to give your kid or perhaps possible ways to help the time pass quicker on the treadmill. Halocho is not debate-able, always very definitive, and is not at all in our hands to change i.e. through our ignorant and tainted arguments. In the Sefer ????? ?? ???? ??? ? ???? ? the Author writes as follows. To gaze at an ervah with the intention of enjoyment is a Rabbinic form of the issur Lo Sikrivu Lgalos Erva which is a separate issur on all Arayos prohibiting additional forms of contact but ????????? only physical while the Rabbonon treated this as a prohibited form of contact. When one looks at an Ervah and wishes they can transgress, besides transgressing the aforementioned Issur Midrabonon they also transgress an ????? ???????? of Vlo Sosuru Acharei Eineichem which the G’moro says means Z’nus. Thinking about forms of physical contact even with a person who is Muttar to you (your spouse!!!!) is an Issur of V’nishmarto Mikol Dovor Ro. The final scenario he discusses is looking at uncovered parts of the body that are usually covered, which is both an Aveiro of Vlo Sosuru because of it’s nature to make a person desire and is also an Aveiro of V’nishmarto Mikol Dovor Ro. As far as the Issur V’nishmarto on a woman, although the Issur D’oraiso probably does not apply, there is an Issur D’rabonon of V’nishmarto in which the word Dovor Ro is defined differently than it is in the Issur D’oraiso, and includes any form of prohibited viewing.
On top of all these Issurim there is an additional Issur to gaze at the face of a Rosho which probably includes many movie actors. Now while possibly one may want to ask a sheila if the Issur Lo Sikrvu applies only to live people or even to movies, the Issurim of V’lo Sosuru and V’nishmarto most definitely do so I guess the real answer to your question is that yes, THIS IS A REAL ISSUR.
For further discussion on the Issur histaklus for a woman see the aforementioned Sefer ???? ??.