The Walking Dead Guest cast, played by Merritt Wever Episode 6x02: JSS (Oct 18, 2015) Episode 6x05: Now (Nov 8, 2015) Episode 6x07: Heads Up (Nov 22, 2015) Episode 6x08: Start to Finish (Nov 29, 2015) Episode 6x09: No Way Out (Feb 14, 2016) Episode 6x10: The Next World (Feb 21, 2016) Episode 6x11: Knots Untie (Feb 28, 2016) Episode 6x12: Not Tomorrow Yet (Mar 6, 2016) Episode 6x14: Twice as Far (Mar 20, 2016)