Hal Holbrook has signed up for an arc  on the upcoming third season of FX’s drama Sons of Anarchy.  In four episodes, beginning with the third season premiere episode, which premieres in September, 85-year-old Holbrook will play Nate Madock, the father of Gemma Morrow Teller (Katey Sagal), with whom he reconnects through coincidental circumstances.  As last season ended Gemma was on the run after being framed for murder.