Legion Guest cast, played by Brad Mann Episode 1x01: Chapter 1 (Feb 8, 2017) Episode 1x05: Chapter 5 (Mar 8, 2017) Episode 1x06: Chapter 6 (Mar 15, 2017) Episode 1x07: Chapter 7 (Mar 22, 2017) Episode 2x06: Chapter 14 (May 8, 2018)