Kaitlyn Rochelle Dever (born December 21, 1996) is an American actress. She has appeared in several television series, including Justified (2011–2015) and Last Man Standing (2011–present), and starred in the Netflix miniseries Unbelievable (2019) for which she earned a Golden Globe Award nomination for Best Actress – Miniseries. In film, Dever has taken on supporting roles in Bad Teacher (2011), The Spectacular Now (2013), Short Term 12 (2013), Detroit (2017), Beautiful Boy (2018) and Dear Evan Hansen (2021). She started playing leading roles in the 2019 films Them That Follow and Booksmart, followed by Ticket to Paradise (2022), Rosaline (2022) and No One Will Save You (2023).