J-F Nadeau has played several major roles in TV productions such as Sofa, Casting, Kaboum, Dieu Merci, Penthouse 5-0, Mon ex à moi, Pour Sarah, L'Échappée, L'Empereur and Empathie.
On stage, he was involved from 2011 to 2022 with the political comedy group Les Zapartistes, and has been a cast member of such acclaimed shows as Les cinq doigts de la main (Licorne), Wit (Théâtre de Quat'sous), Mommy (Aux Écuries), L'Iliade and Le Roi danse (Denise-Pelletier).
He has also always placed great emphasis on writing, directing and producing. P.R.O.U.N, Sac à sacs, Le chaperon est-il si rouge que ça? Tungstène de bile, Nos ghettos and Fils manqués? form the theatricography of his creative company La Tourbière.
Otherwise, he was scriptwriter for the youth series Tactik, for a philosophical video game produced by the NFB (Le Cancer du temps) and for the sketch show Kamikazes! (Télé-Québec). He was co-artistic director of Jamais Lu in 2012, played 14 seasons at LNI and has been teaching this “play without text” since 2015, at the same Conservatoire that propelled him into the business.