Milana Aleksandrovna Vayntrub (/ˈvaɪntruːb/ VYNE-troob, Russian: Милана Александровна Вайнтруб;[4] born March 8, 1987) is an American actress, comedian, and activist.

Vayntrub dropped out of Beverly Hills High School after her sophomore year, obtained a GED, and went on to earn a BA in Communication from University of California, San Diego.

The following year, she appeared in Feig's Ghostbusters reboot alongside Other Space cast members Neil Casey, Eugene Cordero, Bess Rous, and Karan Soni.

[13] In July 2017, Vayntrub was cast in the lead role of Marvel Comics superheroine Squirrel Girl in the New Warriors television pilot for Freeform.

[25] She starred in the Quibi streaming television series Die Hart and in the short film The Shabbos Goy as Hannah, both released in July 2020.

In January 2016, after visiting Greece and meeting with refugee families fleeing the Syrian Civil War, Vayntrub co-founded a website and social media movement called "Can't Do Nothing" to spotlight the European migrant crisis.

[29] Vayntrub asked for the harassment to stop in an Instagram live stream, saying, "I'm hurting and it's bringing up, like, a lot of feelings of sexual assault.