Anna Katerina Baryshnikov is an American actress. She had her breakout role as Sandy in the 2016 film Manchester by the Sea. Baryshnikov is the daughter of Russian American ballet dancer and actor Mikhail Baryshnikov and former ballet dancer Lisa Rinehart. Her elder half-sister, from her father's relationship with actress Jessica Lange, is dancer Shura Baryshnikov. Anna grew up in Palisades, New York, and attended school in New York City. She began acting at age 6 in a local theater production of A Midsummer Night's Dream, portraying Peaseblossom, a handmaiden to fairy queen Titania. After graduating from Northwestern University in 2014, she began acting professionally on various television series, including Doll & Em on HBO.