Cathers served as the Imperial governor for the planet of Demnadi in the era of the Galactic Civil War. After suffering from assaults and public disturbances instigated by the Alliance to Restore the Republic on Demnadi, he requested help to manage the problem, and was pleased by the arrival of Major Fenris Sarhl from CompForce. Nevertheless, when Cathers inquired about the size of Sahrl's force, the major responded that he alone had been dispatched.