Mary Kate Petsky is a Los Angeles and New York based Actor and Singer. In high school, Mary Kate performed at Carnegie Hall on multiple occasions with the Metropolitan Youth Orchestra Chamber Chorale and was a recipient of the Racanati-Kaplan Scholarship from 92Y’s School of Music. Mary Kate graduated from Manhattan School of Music with a Bachelor Degree in Music as a Musical Theatre Major.

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Mary Kate has had the opportunity to be a featured performer with Kate Baldwin and Bob Stillman in "Intimate Broadway" at Fabbri Concert Hall. She also starred in "Who's Paying?" in the Rogue Theater Festival at 13th Street Repertory Theater. Mary Kate was also a part of the Ensemble for "The Oscar Hammerstein Awards" at The Asia Society, awarding the songwriting duo, Tom Jones and Harvey Schmidt.

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She currently has over 50K followers on TikTok (@mk_pets) where she is known for her acting, singing voice impressions, song covers, and comedic videos. 

Recently, she provided the English Dub voices for Jennifer Lenoir and Lola Decker in "The Forest" on Netflix and the voice of Sister Cera in "Boxtown", the animated series starring Alex Hirsch.