Depends on how you want to show the details. For example, you can use the on click settings from the list view to open a page with more details about the person.
Or you can add a details button to do the same.
Or you can use a button and a helper entity to show/hide details in the listview. Hope this gives you some insight on the possibilities.
You can create a non- persistant helper entity which is shown on the page, then create an association between the helper and the object shown on the page called EntityHelper_EntitySelected which is * → 1 . Then on the click you set this relation and refresh the context object.