In order to obtain your password, click on the "Retrieve Your Password" link you will find at the bottom of the site. You will then be asked to provide the email address you used to join the site with. Once completed, your password will be e-mailed back to you. If you aren't receiving your password via email, be sure to check your email account's spam folder.
Retrieve Private.com's access: https://enter.private.com/signup/password.php
Retrieve PrivateClassics.com's access: https://enter.privateclassics.com/signup/password.php
Retrieve PrivateCastings.com's access: https://enter.privatecastings.com/signup/password.php
Retrieve PrivateBlack.com's access: https://enter.privateblack.com/signup/password.php