Sofia Vassilieva (born October 22, 1992) is an American actress. She is best known for playing Eloise in two TV movies, Ariel Dubois on Medium, and Kate Fitzgerald in My Sister's Keeper.
Law & Order: Special Victims Unit
Series • 1999
Medium
Series • 2005
The Rookie
Series • 2018
Chicago Fire
Series • 2012
Blue Bloods
Series • 2010
S.W.A.T.
Series • 2017
Lucifer
Series • 2016
Supergirl
Series • 2015
All Rise
Series • 2019
Timeless
Black Lightning
The Agency
Series • 2001
Stalker
Series • 2014
The Little Things
Movie • 2021
Duster
Series • 2025
Looking for Alaska
My Sister's Keeper
Movie • 2009
13 Minutes
Call Me Crazy: A Five Film
Movie • 2013
Eloise at the Plaza
Movie • 2003
Eloise at Christmastime
The Brady Bunch in the White House
Movie • 2002
Hurt
Lissa's Trip
Movie • 2022
Day Zero
Movie • 2007
Bad Stepmother
Movie • 2018
Teen Choice Awards