Retrieves the information on the actors of a particular series, given its TheTVDB id.

        :param series_id: the TheTVDB id of the series
        :return: a python dictionary with either the result of the search or an error from TheTVDB.

def get_series_actors(self, series_id):
        """
        Retrieves the information on the actors of a particular series, given its TheTVDB id.

        :param series_id: the TheTVDB id of the series
        :return: a python dictionary with either the result of the search or an error from TheTVDB.
        """

        raw_response = requests_util.run_request('get', self.API_BASE_URL + '/series/%d/actors' % series_id,
                                                 headers=self.__get_header_with_auth())

        return self.parse_raw_response(raw_response)