Carolina Sartorio argues that only the actual causes of our behaviour matter to our freedom. Although this simple view of freedom clashes with most theories of responsibility, including the most prominent 'actual sequence' theories currently on offer, Sartorio argues for its truth. The key, she claims, lies in a correct understanding of the role played by causation in a view of that kind. Causation has some important features that make it a responsibility-grounding relation, and this contributes to the success of the view. Also, when agents act freely, the actual causes are richer than they...