Yes, Kate Winslet is still acting. She most recently appeared in the 2017 film, The Mountain Between Us, and has several other projects in the works. While she hasn't been as prolific in recent years as she was earlier in her career, she remains a highly sought-after actress with a lengthy list of credits to her name. In addition to her work in front of the camera, Winslet also occasionaly directs and produces films.