Smallville Guest cast, played by Anna Galvin Episode 7x09: Gemini (Dec 13, 2007) Episode 7x13: Hero (Mar 13, 2008) Episode 7x14: Traveler (Mar 20, 2008) Episode 7x15: Veritas (Mar 27, 2008) Episode 7x16: Descent (Apr 17, 2008)