Jack Barton

Jack Barton is an English actor. His television appearances include Heartstopper (2023–2026) and SAS: Rogue Heroes.

Career He attended the Oxford School of Drama, graduating in 2018. He played Foldo in television series The Letter for the King in 2020. He had a breakout role as David Nelson in the Netflix coming-of-age romance series Heartstopper. He had a small part in Yorgos Lanthimos’s film Poor Things. He also had roles in War of the Worlds, The Pursuit of Love, and Grantchester.

In 2024, he played his first voice-acting role in a video game, voicing the boss Messmer the Impaler in the Elden Ring expansion Shadow of the Erdtree.

He played real-life SAS soldier John Tonkin in series two of Steven Knight World War Two set drama SAS: Rogue Heroes for BBC One in 2025. In preparation for the role he read Ben Macintyre's book on the SAS and was able to speak to Tonkin's daughter, Jane who was living in Australia. Later that year, he was confirmed as returning for the third series.

Filmography Year Title Role Notes 2020 The Letter for the King Foldo 6 episodes 2020 Grantchester Chris 1 episode 2021 The Pursuit of Love Angelic man 2 episodes 2022 War of the Worlds Hiram 6 episodes 2023 Poor Things Fop Film 2023–2024 Heartstopper David Nelson 5 episodes 2025 SAS: Rogue Heroes John Tonkin 6 episodes 2025 Talamasca: The Secret Order Osterhaus 3 episodes 2026 Heartstopper Forever David Nelson Television film

Video games Year Title Role Notes 2024 Elden Ring Messmer the Impaler Shadow of the Erdtree expansion