Things to bring along for an interview

Resume copies
A pen
A notepad
List of your referees
Folder/brief case
Business cards (where applicable)
Portfolio/work samples (where applicable).This includes copy of written articles, dissertations, school projects, publications etc
Identification card
Company information (which you should have checked on the internet; names of managerial staffs, awards and accolades, and other facts that may be of help