Question: What network did Katherine Cassidy star as Ruby on?

Context articles: One of Those Hideous Books Where the Mother Dies
Rosser Reeves Ruby
Ruby Lake National Wildlife Refuge
DeLong Star Ruby
Ruby (Supernatural)
Supernatural (U.S. TV series)
Disco Pigs
Star of Burma
Tom Cassidy (journalist)
Katie Cassidy

One of Those Hideous Books Where the Mother Dies (2004) is a novel in verse by Sonya Sones.
 It is a young adult novel that tells the story of Ruby Milliken who is forced to go live with her famous movie star father, Whip Logan, in Los Angeles when her mother dies.
 Ruby is taken away from her friends and family, all of which she loves, and is forced to cope in the fake and artificial world of Hollywood.
 The novel is told mostly in blank verse with periodic interruptions of emails and letters Ruby exchanges with her friends.
 She soon finds herself torn between her old life and her new life.
The Rosser Reeves Ruby, Weighing 138.7 carat , is one of the world's largest and finest star rubies.
 This Sri Lankan stone is renowned for its great color and well-defined star pattern.
 The stone is named after Advertising mogul Rosser Reeves who pioneered his industry.
 And whose techniques were very popular in the 1950s and 1960s,and gave a successful boost to the election campaign of Dwight D. Eisenhower in 1952, which led to his election as the 34th President of the United States of America.
 Rosser donated the piece to the Smithsonian in 1965, carried it around as a lucky stone, referring to it as his baby.
 He often stated that he had acquired the stone at an auction in Istanbul in the mid-1950s.
 He actually bought the stone from Robert C. Nelson Jr. of New York City who was acting on behalf of Firestone & Parson of Boston.
 Firestone & Parson were selling the stone for Mr. Paul Fisher of New York.
 Mr. Robert Fisher, Paul's father, had bought the ruby at an auction in London in 1953.
 At the time the ruby then weighed just over 140 carat , but was very heavily scratched, and a few carats were removed in the repolishing.
 The repolishing also helped to center the stone's star.
 Articles in the New York World-Telegram and The Sun in 1953 mentioned this fabulous gemstone.
 This incredible stone is still located in the Smithsonian and is proudly displayed for all to see.
The Ruby Lake National Wildlife Refuge is located in southwestern Elko County and northwestern White Pine County in the northeastern section of the state of Nevada in the western United States.
 Established in 1938, it encompasses 37632 acre of wetlands in Ruby Valley, just east of the Ruby Mountains and just south of Harrison Pass.
 It is 16 mi long, up to 3 mi in width, and lies at an elevation of 6000 ft .
 Once the bed of a 200 ft deep lake, it is now a network of spring-fed marshes and shallow ponds serving as a habitat for hundreds of species of native and migratory birds and mammals.
The DeLong Star Ruby, a 100.32 carat oval cabochon star ruby, was discovered in Burma in the 1930s.
 It was sold by Martin Ehrmann to Edith Haggin DeLong for , who then donated it to the American Museum of Natural History in New York City in 1937.
Ruby is a fictional character on The CW Television Network's "Supernatural" portrayed mainly by actresses Katie Cassidy and Genevieve Cortese.
 Created by the writers to expand on the characterization of demons within the series, she first appears in the third season, wherein she assists series protagonists Sam and Dean Winchester in fighting her fellow demons.
 By the fourth season, she has won Sam's trust and begins training him to kill demons with his psychic powers, though Dean remains fearful of ulterior motives.
 The character departs the series at the end of the fourth season.
 Though the fans at first reacted negatively towards Cortese replacing Cassidy after the third season, Cortese and creator Eric Kripke felt that they became more accepting as the fourth season progressed.
 While fan response to the character was mixed overall, critical reception was generally negative.
 A common criticism was underwhelming performances by Cassidy and Cortese.
Supernatural is an American fantasy horror television series created by Eric Kripke.
 It was first broadcast on September 13, 2005, on The WB, and subsequently became part of successor The CW's lineup.
 Starring Jared Padalecki as Sam Winchester and Jensen Ackles as Dean Winchester, the series follows the two brothers as they hunt demons, ghosts, monsters, and other supernatural beings.
 The series is produced by Warner Bros.
 Television, in association with Wonderland Sound and Vision.
 Along with Kripke, executive producers have been McG, Robert Singer, Phil Sgriccia, Sera Gamble, Jeremy Carver, John Shiban, Ben Edlund and Adam Glass.
 Former executive producer and director Kim Manners died of lung cancer during production of the fourth season.
Disco Pigs is a 2001 Irish film directed by Kirsten Sheridan and written by Enda Walsh, who adapted it from his 1996 play of the same name.
 Cillian Murphy and Elaine Cassidy star as Cork teenagers who have a lifelong, but unhealthy, friendship that is imploding as they approach adulthood.
The Star of Burma is an 83 carat cabochon-cut star ruby.
 In 1935, the Burmese ruby was purchased by Howard Hoeffer of jeweler Trabert & Hoeffer-Mauboussin, whereupon it was used in several Hollywood films in the 1930s, including the musical comedy "Vogues of 1938".
 Trabert & Hoeffer-Mauboussin sold the jewel on September 14, 2004.
Tom Cassidy (1950 – May 26, 1991) was the television business anchor for Cable News Network (CNN) an American cable news television station and the founder of the weekend show "Pinnacle" in 1982.
 Significantly, he was the CNN business news anchor during Black Monday, 19 October 1987.
 This was a famous day on Wall Street when the Dow Jones Industrial Average (DJIA) fell 508 points to 1739, a frightening drop during which time Cassidy's ongoing reporting during the afternoon and evening provided both credible information and a significant calmness to the American public.
 Diagnosed as HIV positive the same day, Cassidy went public on New York area television on an ongoing basis with his dilemma, treatment and progress (including revealing his diagnosis to his family on camera) in order to better educate the public about HIV/AIDS disease.
Katherine Evelyn Anita Cassidy (born November 25, 1986) is an American actress.
 After initially appearing in minor television roles, she made her film debut in "When a Stranger Calls" (2006).
 During the same year, she also had her first starring role as Kelli Presley in "Black Christmas" (2006).
 In 2007, Cassidy gained attention for her role as Ruby on the supernatural-horror television series "Supernatural", during its third season.
 She later had a supporting role in "Taken".
 In 2009, Cassidy became a cast member of the series "Harper's Island" and "Melrose Place", both of which lasted for only one season.
 During 2010, she had a supporting role as Kris Fowles in "A Nightmare on Elm Street" and a recurring role during the fourth season of "Gossip Girl".