Genevieve Cortese Genevieve Nicole Cortese, also known as Genevieve Padalecki is an American actress known for her role on the television series Wildfire as Kris Furillo. She is also known for her recurring role in Supernatural as the demon Ruby. She made her acting debut as Amber in Death Valley. She followed this with an appearance in the short film Unraveled. She has also played Tracy Stark in FlashForward.