Cover letters are very important and there is a real art to getting it right. The wonderful thing right now in the industry is that you can take control of your business and reach out to your future clients and agents. Reaching out to producers, casting directors and agents directly is very helpful. A cover letter should be engaging, relevant and definitely not generic. One of the most important things when writing a cover letter is taking the time to research who you are writing to so that it is relevant to them. Cover letters are used for building your contact, client and dream list.