Yes. You will have access to the name and profile information of your event attendees, including email so that you can contact them easily and add them to your lists.
The information collected by default includes the first name, last name and email address. It can be accessed by exporting the Guest Ticket List report from your event dashboard - Go to Guest Ticket List and click on the top right icon as in the image below.
If you need to collect more information you can do so by creating custom registration fields. See related question on "Can I collect more information from my guests including phone number, etc...".