Harnois 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 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.
In May 2011, Harnois guest-starred in the long-running CBS police
procedural drama CSI: Crime Scene Investigation in Season 11, episode 21,
called "Cello and Goodbye", as Morgan Brody, a CSI from the L.A.P.D.
Scientific Investigation Division. In September that same year, Harnois
began starring on the show starting with the Season 12 premiere, called
"73 Seconds", wherein her character transfers to the Las Vegas Crime Lab.
Harnois remained on the show until it ended in September 2015.