- Johnny Antonini is known for The Lifeguards (2024), The Rebound (2021) and Shanks of the Midwest (2019).
- Face of the band "Heads of Lettuce".
- Was one of the finalists for Young Sheldon but lost the role to Iain Armitage.
- Auditioned for the role of Greg in "Joel" with a pirate eye-patch and a southern accent. The filmmakers were concerned however, that this would not add to the character and their true vision. After a hard fight he dropped the accent and eye-patch.
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