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).

Filmography

• 2023Black Bags — Tess
• 2018Devious Nanny — Amber
• The Rookie — Danielle Bloomfield
• SEAL Team — Jenna Robertson
• Powers — Calista
• 2013Family Weekend — Emily Smith-Dungy
• 2012A Thousand Cuts — Melanie
• Touch — Red Dress
• 2011Apart — Emily Gates
• 2010Expecting Mary — Mary
• 2009Chuckle Boy — Assistant
• Drop Dead Diva — Mia Dalton
• 2009Flying By — Ellie
• NCIS: Los Angeles — Zasha Gagarin
• 2008Forever Strong — Emily's Friend
• 2008High School Musical 3: Senior Year — Kelsi Nielson
• 2008Private Valentine: Blonde & Dangerous — Private Petrovich
• The Mentalist — Sam Starks
• 2007American Pastime — Cathy Reyes
• Greek — Abby
• 2007High School Musical 2 — Kelsi Nielsen
• 2007The Dance — Cameron's Ex-Best Girlfriend
• 2006High School Musical — Kelsi Nielsen
• 2006High School Musical: Remix — Kelsi Nielsen
• 2006Vampire Chicks with Chainsaws — Sariah
• 2005Mobsters and Mormons — Julie Jaymes
• 2005Urban Legends: Bloody Mary — Mindy
• 2004Halloweentown High — Natalie
• NCIS — Kim Troutman
• CSI: Miami — Andrea Williams
• Everwood — The Drunk Girl
• 2001Hounded — Girl #1
• 2001The Poof Point — Annie
• Family Guy — Russian Meg Griffin Double (voice)
• Touched by an Angel — Student (uncredited)

Appearances as themselves (2)

• 2015Becoming Bulletproof — Self
• 2008High School Musical 3: Making of a Musical — Self