It depends on what is racing. If you have the same/dependent information in two (or more actors), you're going to have a coordination challenge.
So try not to do that. On the other hand, everything that happens with state within an actor is inherently non-racy, because an actor is sequential code and no other actor can mess with its state.
So try not to do that. On the other hand, everything that happens with state within an actor is inherently non-racy, because an actor is sequential code and no other actor can mess with its state.