Elisabeth Rose Harnois (/ɑːrnˈwɑː/ arn-WAH; born May 26, 1979) is an American actress. Her career started at the age of five, where she began appearing in a number of film and television roles. She starred as Morgan Brody in the CBS forensics drama CSI: Crime Scene Investigation from 2011 to 2015.
Harnois was born in Detroit, Michigan, and raised in Los Angeles. She is the eldest of five children with four brothers. She attended St. Mel's School in Woodland Hills and Canyon Springs High School in Moreno Valley, California, and graduated from Wesleyan University with a degree in film studies in 2001.
Harnois appeared in two films at the age of five, One Magic Christmas and Where Are the Children?. She did commercials until landing the role of Emily in Timeless Tales from Hallmark and the role of Alice in the 1992 Disney Channel series Adventures in Wonderland. In 2005, she starred in the short-lived Fox teen mystery/supernatural/horror drama Point Pleasant as Christina Nickson, and also landed a role opposite Evan Rachel Wood in the black comedy/satirical film Pretty Persuasion, portraying the best friend of Wood's character.