Madeline Weinstein is an American actress. She started her acting career in the 2010s, debuting in the Broadway play The Real Thing. In 2015, she made her screen debut appearing in an episode of CBS’ Elementary. She next guest-starred in an episode of Blue Bloods. In 2017, she made her film debut in Beach Rats. She also had a one-time role in Shades of Blue. She later starred in the short film called Hair Wolf, as well as in the feature film Kappa Force. In 2018, she starred as Claire in the romantic comedy film Alex Strangelove. Weinstein also portrayed Polly Chapman in the Broadway production of Harry Potter and the Cursed Child.