You can create a menu item to display a list of user profiles, that when clicked will display the details. Each menu item will show the selected group of users.
Create a User Profiles menu item
On the options tab, select the group of users you wish to display. You can also decide whether to show their gravatar image, name, and username.
Here is an example where name and gravatar are turned on.
Clicking on the image or name will display the users profile.
Here is an example when only the username is displayed.
This one shows gravatar and username