Grimm Guest cast, played by Mary Elizabeth Mastrantonio Episode 1x22: Woman in Black (May 18, 2012) Episode 2x01: Bad Teeth (Aug 13, 2012) Episode 2x02: The Kiss (Aug 20, 2012) Episode 3x17: Synchronicity (Apr 4, 2014) Episode 3x18: The Law of Sacrifice (Apr 11, 2014) Episode 6x13: The End (Mar 31, 2017)
