But they are often iconic, frequently arresting, fundamentally timeless, and occasionally shot through with genius (think of the Face Punch film-within-a-film in Twilight).
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The majority of the people who create a film have no public face at all - so film people are kind of used to it.
The brothers changed the face of independent film with movies like Sex, Lies and Videotape and Pulp Fiction.
On Monday night, I had a chance to attend a screening of Saving Face, the film that won the Academy Award for Best Documentary Short last month.
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"I think the whole face of the Indian film industry is changing, " she told CNN.
She won the award for best documentary in the short subject category for her film Saving Face, about acid attacks on women.
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The film has stirred up a controversy in Afghanistan, and the boys have already face threats because of their involvement in the film.
She says it's a commercial reality that everybody in China's film industry has to face.
Clarkson's former publicist, Edward Lozzi, called the film a "slap in the face".
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Sharp-eyed internet users have been mocking clips in the film of a Chinese doctor wearing a face mask but no surgical gloves when operating on Iron Man, as well as not-too-subtle product placements for a domestic milk drink.
James Cameron, a film director, flew in to daub his face in red paint, hug an Indian and join the protest.
He made his film debut in the critically acclaimed "A Face in the Crowd, " but it was the 1960 debut of "The Andy Griffith Show" that brought his greatest fame.
It got of a lot of - there was a lot of, I think, discomfort in the kind of film-going community around the black-face piece, but what about the people who actually get to vote?
So the film places Brad Pitt's computer-aged face on the bodies of other actors who play Benjamin as a child.
These can range from a new face cream to a new model of car, or a film (which is now considered a brand).
On the face of it, this seems like a watershed moment for independent film financing.
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But she will stress that the problems men and boys face are not receiving sufficient attention because - "like the film Fight Club - the first rule of being a man in modern Britain is that you're not allowed to talk about it".
The film includes testimonies from four teachers who detail the challenges they face once their HIV-positive status becomes public.
As well as writing the script, Mr Edwards was the film's make-up artist using a children's face painting set.
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But I think they want to give a young, fresh face a chance to sort of make an impact and get a role on this film.
The famous singer might be OK with his mug all over TV and film, but he apparently is a bit apprehensive when it comes to his face on his art.
They are also painfully aware that they may be just one film away from obscurity and that in order to grow and thrive, they must face changing roles in a constantly changing industry.
Ben Stiller stars as Ted, who we see at the beginning of the film as a shy high school student with a mouthful of braces that make his face look like the grill of a 1957 Buick.
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For the Hong Kong film maker Wong Kar-Wai, he has shot a stream of pictures that have revolutionised the face of Asian cinema.
The prevailing image of Obama in the face of the past week's scandalous revelations is more similar to the weak and aimless Bulworth of the film's beginning.
"They are showing altered pictures of their own face using masks like that from 'V for Vendetta', " said Mok, referring to the 2005 film updating the story of Guy Fawkes, who tried to destroy Parliament building in England in the 17th Century.
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