Aside from Serling himself , who wrote nearly two-thirds of the series ' total episodes , writers for The Twilight Zone included leading genre authors such as Charles Beaumont , Richard Matheson , Jerry Sohl , George Clayton Johnson , Earl Hamner , Jr. , Reginald Rose , Harlan Ellison and Ray Bradbury . Aside from Serling himself , who crafted nearly two-thirds of the series ' total episodes , writers for The Twilight Zone included leading genre authors such as Charles Beaumont , Richard Matheson , Jerry Sohl , George Clayton Johnson , Earl Hamner , Jr. , Reginald Rose , Harlan Ellison and Ray Bradbury .