<P> In 2005 , the producers decided to kill off Cassie by having her die from injuries sustained in a car accident . The character 's death was felt in storyline for years to follow , leading to the dissolution of her parents ' marriage and numerous events thereafter . Grimes continued to recur in the role throughout the years following her character 's death , usually in dreams or as a hallucination to the mentally ill . Grimes ' final return as Cassie 's ghost was over the course of 2013 to 2014 , during which the actress would return to The Young and the Restless as a main cast member , as Cassie 's previously unknown twin sister , Mariah Copeland . Grimes was the subject of universal acclaim for her portrayal of Cassie , becoming the youngest recipient of the Daytime Emmy Award for Outstanding Younger Actress in a Drama Series in 2000 , at age 10 . </P>
<P> In 2005 , the producers decided to kill off Cassie by having her die from injuries sustained in a car accident . The character 's death was felt in storyline for years to follow , leading to the dissolution of her parents ' marriage and numerous events thereafter . Grimes continued to recur in the role throughout the years following her character 's death , usually in dreams or as a hallucination to the mentally ill . Grimes ' final return as Cassie 's ghost was over the course of 2013 to 2014 , during which the actress would return to The Young and the Restless as a main cast member , as Cassie 's previously unknown twin sister , Mariah Copeland . Grimes was the subject of universal acclaim for her portrayal of Cassie , becoming the youngest recipient of the Daytime Emmy Award for Outstanding Younger Actress in a Drama Series in 2000 , at age 10 . </P>
when did cassie died on young and the restless
when did cassie died on young and the restless
2005
2005