An assistant to Berg said he was on a film shoot and not immediately available for comment.

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The We Need to Talk About Kevin director has made no comment about her involvement in the film or the reasons for her departure.

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Mr. FIELDS: You know, well, not having seen the film, of course, I can't comment on the content.

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Asked to comment on her remarks, Redford said the film industry's existence brought economic benefits that should receive more recognition.

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Filmmaker Michael Apted borrows Kaku's quirky comment for the title of his charming, poetic new film on how scientists create.

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Though the abortion debate is one of the most polarising in the US, the film tried to present the doctors' work without the political context, shooting the film in a fly-on-the-wall style without comment.

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Producers say the film "is neither an attempt to depict the actual persons, nor to comment upon the outcome", according to an on-screen disclaimer.

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Film historian Dr Matthew Sweet told BBC News Online the history of the zombie film goes back as far as the 1930s, with the undead treated more "poetically" to comment on capitalism.

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