How does one go about contacting CD's or directors?

Answer 1

Pick up a Ross Report or the L.A. agent's guide, or the New York agent's guide. The latter are monthly journals that look like college course syllabus'. They don't put a lot into the production of these, because they are updated very frequently. All the phone numbers and addresses are there. Where to get them? L.A.-Samuel French book stores. NYC-Drama Book shop.

Answer 2

type in "casting director directory (or directories)" in your search and take your pick!