Click the Contact Details tab.

Click the Add People button.

Enter a name that needs to be added to the Contracts list in the Last Name field of the Add People dialog box.  

Click Enter.

Place a check in the box next to the name to be added to the Contacts list and click the OK button.

Click the name-link of the person you just selected for the record Contact.

Click the Find button in the Contact Role pop-up dialog box.

Click the radio button next to the role this Contact person will perform and click OK.

Click the Save & Close button.