Winslow was born into a family of actors he is the son of actors Michael Fegley and Merce Tonne and brother to actors August Fegley and Oakes Fegley Winslow developed his skills in 2017 while starring in the stage production of A Billion Nights on Earth a production he also added creative collaboration to with avantgarde theatre director Thaddeus Phillips The show was developed at the Buntport Theatre in Denver CO over the summer of 2017 then toured to sold out houses in Philadelphia in September 2017 and was featured as part of the Next Wave Festival at the Brooklyn Academy of Music in November that year where it again sold out its run In 2018 Winslow landed his first television role gueststarring on the hilarious TVLand show Teachers He then spent the spring filming 8 episodes of the Disney Channel series Fast Layne as Mel which debuted in 2019 After wrapping up on the limited series he went directly into production in the title role of Timmy Failure Mistakes Were Made directed by Academy Awardwinner Tom McCarthy It premiered at the Sundance Film Festival and then debuted in early 2020 as one of the first original features for the Disney streaming platform In the fall of 2018 Winslow costarred in the Jacob Chasehelmed horror film Come Play opposite Azhy Robertson and Gillian Jacobs released fall 2020 In 2019 he gueststarred as a preteen Sean in ABCs hit show The Good Doctor In the final months of 2020 Winslow returned to work filming Nightbooks starring as Alex opposite Kristen Ritter and Lydia Jewett The David Yaroveskydirected picture debuted in the Netflix Top 10 in the fall of 2021 In the beginning of 2021 Winslow starred as Jake Doyle in what would be the HBO Max 2021 holiday hit 8Bit Christmas with Neal Patrick Harris Steve Zahn and June Diane Raphael