Adding Case Role to CiviCRM Cases Views
Actually you'll need to start with a CiviCRM Relationships View.

If you start with a view of CiviCRM Cases, you may get bad data if they have multiple open case types with different case managers.

So create a new view of CiviCRM Relationships, then in the advanced section add the Case ID relationship, then add the Contact A (the client) relationship and finally the Contact B (the case manager) relationship.


Add a Display Name field using relationship Contact A, then add another Display Name field using Contact B.

Here are all of the fields I eventually added: