Fascinated by comic strips since he was young, Alcante nevertheless began by studying economic sciences, followed by academic research.

In 1995, he won a scenario competition and had his story published in the magazine Spirou.

In 2002, he started to regularly publish his scenarios for short stories in this weekly magazine. These semi-realistic, semi-fantastic stories prefigured Pandora Box, his very first series. Highly inspired by fairytales and legends from all over the world, his influences vary greatly from Jean Van Hamme to Makyo, Cothias and Alan Moore.