<P> Camryn Elizabeth Grimes (born January 7, 1990) is an American actress . </P> <P> Grimes is the daughter of Preston Lee and Heather Grimes . She is the oldest of seven siblings: Camryn, Dakota, Shelby, Mattea, Ryder, Piper, Peyton . </P> <P> She played Cassie Newman on The Young and the Restless starting in 1997 . In 2000, at age 10, she became the youngest winner ever of the Daytime Emmy Award for Outstanding Younger Actress in a Drama Series; Kimberly McCullough had won it at age 11 ten years earlier . In May 2005, Grimes's character was written off the show when she died from injuries sustained in a car accident . Since departing the show, she has made several guest appearances as Cassie's spirit . In 2014, she began a new role on the series, playing a woman with a resemblance to Cassie, named Mariah Copeland, later revealed to be Cassie's twin sister . It was announced on May 5, 2014, that Grimes was put on contract with The Young and the Restless . </P> <P> Grimes played the part of Holly in the 2001 movie Swordfish alongside Hugh Jackman, Halle Berry, and John Travolta . She guest - starred on Medium, JAG, and ER, on which her maternal uncle, Scott Grimes, was a cast member . </P>

Who plays mariah on the young and the restless
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