def actors
      doc.search('#actorList ul li a').map{|n| n.text.gsub("\n",'').strip}
        .delete_if{|text| text=='...'}
    end
def actors
      doc.search('#actorList ul li a').map{|n| n.text.gsub("\n",'').strip}
        .delete_if{|text| text=='...'}
    end
New instance can be initialized with id(integer) or title(string). Second
 argument may also receive a string title to make it easier to
 differentiate Kinopoisk::Movie instances.

   Kinopoisk::Movie.new 277537
   Kinopoisk::Movie.new 'Dexter'

 Initializing by title would send a search request and return first match.
 Movie page request is made once and on the first access to a remote data.

 Returns an array of strings containing actor names