Olesya Yurivna Rulin (born March 17, 1986) is a Russian-American actress. She is best known for co-starring in the first three films of the High School Musical franchise as Kelsi Nielsen. She also starred in the films Private Valentine: Blonde & Dangerous (2008) and Flying By (2009).
Known For
High School Musical
(2006)
Kelsi Nielsen
High School Musical 2
(2007)
Kelsi Nielsen
High School Musical 3: Senior Year
(2008)
Kelsi Nielson
Private Valentine: Blonde & Dangerous
(2008)
Private Petrovich
Forever Strong
(2008)
Emily's Friend
Halloweentown High
(2004)
Natalie the Pink Troll
Urban Legends: Bloody Mary
(2005)
Mindy
Family Weekend
(2013)
Emily Smith-Dungy
Expecting Mary
(2010)
Mary
Full Filmography
Acting
Hounded
(2001)
Girl #1
The Poof Point
(2001)
Annie
Halloweentown High
(2004)
Natalie the Pink Troll
Urban Legends: Bloody Mary
(2005)
Mindy
Mobsters and Mormons
(2005)
Julie Jaymes
High School Musical
(2006)
Kelsi Nielsen
Vampire Chicks with Chainsaws
(2006)
Sariah
High School Musical: Remix
(2006)
Kelsi Nielsen
High School Musical 2
(2007)
Kelsi Nielsen
The Dance
(2007)
Cameron's Ex-Best Girlfriend
American Pastime
(2007)
Cathy Reyes
High School Musical 3: Senior Year
(2008)
Kelsi Nielson
Private Valentine: Blonde & Dangerous
(2008)
Private Petrovich
Forever Strong
(2008)
Emily's Friend
High School Musical 3: Making Of A Musical
(2008)
Self
Flying By
(2009)
Ellie
Chuckle Boy
(2009)
Assistant
Expecting Mary
(2010)
Mary
Apart
(2011)
Emily Gates
A Thousand Cuts
(2012)
Melanie
Family Weekend
(2013)
Emily Smith-Dungy
Becoming Bulletproof
(2015)
Self
Devious Nanny
(2018)
Amber
Black Bags
(2023)
Tess