Rosie Jane Day is an English actress, writer and director. She is known for playing Mary Hawkins in the Golden Globe nominated Starz and Sony Pictures TV series Outlander and Sarah Jessica Parker's daughter in the comedy film All Roads Lead to Rome. She currently stars as Tina Pemberton in Sky One's Living the Dream, alongside Phillip Glenister and Lesley Sharp, and the 2018 Summit Entertainment feature Down a Dark Hall alongside Uma Thurman. She is also an ambassador for the teenage mental health charity stem4.