Nikita Guest cast, played by Peter J. Lucas Episode 2x04: Partners (Oct 14, 2011) Episode 2x10: Guardians (Dec 2, 2011) Episode 2x11: Pale Fire (Jan 6, 2012) Episode 2x13: Clean Sweep (Feb 3, 2012) Episode 2x15: Origins (Feb 17, 2012) Episode 2x17: Arising (Mar 23, 2012)