Screenwriter, host, director, and actor, Guillaume Girard is involved in numerous projects across theatre, television, and film. On television, he was the star of the youth show Frank vs Girard, which aired for four years on VRAK TV. He is also the creator and host of Dans la bulle, the first original content show produced by Prise 2.

As a screenwriter, Guillaume Girard has written several short films, including Première neige (Jury Prize at Badalona), Le vol du goéland, Belle-Maman, as well as all three seasons of the web series Le Pool. He also co-wrote À la poursuite du rêve glacé, which aired in 2025. He scripted the series Pour toujours plus un jour, broadcast on Crave, and has been a writer for the Gémeaux Industry Awards galas since 2023.

In 2014, he was recruited as a performer for SNL Québec, a show for which he received two Gémeaux Award nominations, before contributing to the writing of Le Nouveau Show. He also hosted the program L’Heure est grave on Télé-Québec.

On screen, he has appeared in Le berceau des anges (Séries+), Mon ex à moi (Séries+), and in the feature film 1991 by Ricardo Trogi, produced by Go Films. Since 2021, he has played the role of Marco in the series Entre deux draps (KOTV), a performance that earned him a Gémeaux Award and several nominations.

Guillaume is currently working on writing a feature film and several television projects. His writing will also be featured in the upcoming series Ils vécurent heureux, produced by Passez GO.