Born in Montreal, Antoine Olivier Pilon moved with his family to Port-Daniel–Gascons in Quebec's Gaspésie–Îles-de-la-Madeleine when he was four.

Pilon landed his first job playing in an ad on the French Canadian RDS sports channel in 2009 when he was 12.

He also took part in two seasons of Tactik, a youth series on Télé-Québec and a role in the short film Le Siège and role of Janeau Trudel in the feature film Les Pee-Wee 3D: L'hiver qui a changé ma vie.

The controversial video about school bullying was directed by Xavier Dolan and banned on certain stations for viewers below 16.

[1] The following year, Pilon was cast as the lead role in Mommy, also by Xavier Dolan.