- Jacob Trembley: Born in 2006, Jacob Trembley became known as a child actor for his role in "Room" (2015) and has continued to showcase his talent in various projects. He has the range and sensitivity to portray Johnny's complex character.
- Ty Consiglio: Born in 2007, Ty Consiglio is a rising actor who has showcased his abilities in works such as "Home Before Dark" (2020) and "Locke and Key" (2020). His natural acting skills could bring depth to Johnny's role.
- Maxwell Jenkins: Born in 2005, Maxwell Jenkins is known for his performances in "Sense8" (2015-2018), "Lost in Space" (2018-2021), and "Reacher" (2022). He has a wide emotional range and could excel at capturing Johnny's vulnerability and courage.
- Julian Edwards: Born in 2004, Julian Edwards is an up-and-coming actor who has appeared in projects like "The Umbrella Academy" (2022) and "The Last Ship" (2014-2018). His intensity and versatility could make him a compelling choice for Johnny.
- Noah Jupe: Born in 2005, Noah Jupe has demonstrated his talent in movies such as "A Quiet Place" (2018), "Honey Boy" (2019), and "Ford V Ferrari" (2019). His nuanced performances could bring a unique depth to Johnny's character.