Who is Ruby in Supernatural​?

Last Modified Mar 12, 2025 03:16 EDT
Who is Ruby in Supernatural​?
Ruby (Source: Screengrab from the show)


Ruby is a character from the American fantasy horror series Supernatural. She is portrayed by Katie Cassidy and Genevieve Padalecki in the series.


She first appears in the third season, helping Sam and Dean Winchester battle their fellow demons. The writers created her to further develop the personality of demons in the series. She gains Sam's trust during the fourth season and starts teaching him how to use his psychic abilities to defeat demons, but Dean is still wary of her intentions. The fourth season concludes with the character's death. Ruby reappears in the fifteenth season through flashbacks and a visit to the Empty, the afterlife of the demons and angels.


Who is Ruby in Supernatural?


Ruby was a demon who longed for Lucifer's return. She protected the last "special child," Sam Winchester, and had him ready to break the last seal and become Lucifer's host while Lilith broke the seals. This was how she and Lilith planned to rescue Lucifer from his cage after Azazel's death. Only she and Lilith knew about this scheme, which is why Hell considered Ruby a traitor.


Ruby initially allied with a frightened Sam by promising to help him in rescuing his brother from his dangerous situation. However, after this was proven to be false, Ruby offered to teach Sam to be able to kill Lilith in retaliation for Dean's exile to Hell.


Ruby solidified her hold on Dean during his time in Hell by being helpful and 'helping' Sam, saying what he wanted to hear, giving him demon blood, and supporting him through his grief to the extent that their bond grew stronger and eventually became sexual. She made him into Lucifer's ideal vessel and tricked him into killing Lilith to break the last seal, but she was slain with her own knife after the brothers discovered her deception.


In The Empty, Castiel meets the demon and awakens her after discovering that Ruby had the Occultum before her demise. Ruby asks Castiel to rescue her from the Empty so that she can be resurrected in return for the location. She asks Castiel to at least try to release Ruby, and he agrees.


Who plays Ruby in Supernatural?


Katie Cassidy

Who is Ruby in Supernatural​?
Katie Cassidy as Ruby (Source: Screengrab from the show)


The American actress Katie Cassiday portrays Ruby in the third season of the series. Cassidy made her acting and television debut in an episode of the drama series The Division on Lifetime in 2003.


She went on to appear in several supporting roles in various TV shows before becoming popular as a scream queen. She starred in the horror movies When a Stranger Calls (2006), Black Christmas (2006), and Ruby in the third season of the horror series Supernatural (2007–2008). After playing a supporting role in the action movie Taken (2008), Cassidy played lead roles in the drama series Melrose Place (2009–2010) and the slasher series Harper's Island (2009).


Genevieve Padalecki

Who is Ruby in Supernatural​?
Genevieve Padalecki as Ruby (Source: Screengrab from the show)


The American actress Genevieve Padalecki portrays Ruby in the fourth season of the series. In addition to her recurrent appearance as the demon Ruby on Supernatural, Genevieve Nicole Padalecki played Kris Furillo in the television series Wildfire. Before 2010, her roles in movies and TV shows were alternately credited as Genevieve Cortese or Jennifer Cortese. Since a February 2011 episode of Supernatural, she has been continuously credited as Genevieve Padalecki.


Also read: Cast of Supernatural

FAQs about Ruby in Supernatural

A. Ruby is revealed as a traitor in the series when the Winchester brothers learn of her true intentions.

A. Yes, Ruby is a main villain in the third season of Supernatural and a secondary villain in the fourth.

A. Dean Winchester killed Ruby in Supernatural.

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