I recommend setting the page to "private". Then I recommend getting this plugin: http://wordpress.org/plugins/user-role-editor/
With the user role editor you can set subscriber/contributor/whatever role permissions to be able to have access to the private page. The WordPress default is only admin can have access to the private page. You can change that at any user level to have access to the private page. Private pages are not viewable unless logged in. Private pages do not require a password to access, just need to be logged in and with permission. Just remember, currently until you change some permissions, only admin will have access to private pages.
Hope this helps