Madelaine Grobbelaar Petsch is an American actress and YouTuber. She is known for portraying Cheryl Blossom on The CW television series Riverdale and Marissa in F the Prom.
Six high school seniors, all of whom have a lot of baggage, in a classic escape-the-room scenario that gives them an hour to choose which of them to kill and do the deed -- otherwise they'll all die.
