After a successful career on the francophone stand-up scene in Quebec, he became a major star in France and is now a popular television host.

He co-starred on the French Canadian comedy radio show Les Midis fous on CKOI (No.1 in their time slot), then in a recurring role on the television series Super sans plomb and a starring role in the made-for-TV movie "Voodoo Taxi" for Canadian Broadcasting Corporation (CBC).

for France with famous French comedian Pascal Légitimus, Kavanagh debuted in Lyon right in the middle of the FIFA World Cup.

Following in the footsteps of Richard Gere on film and Usher on Broadway, Kavanagh was chosen in 2003 to play lawyer Billy Flynn in the French version of the musical comedy Chicago in Montreal and Paris.

Kavanagh played American GI Gary Larochelle in the Philippe Niang made-for-TV movie "Les amants de l'ombre" in 2009.

Kavanagh took a supporting role in the mini-series "La Fille au Fond du Verre à Saké" by Emmanuel Sapolsky which aired on Canal Plus in 2009, playing a gay French Canadian car designer living in Paris.

Since 2001, TF1, the biggest television network in Europe and the most popular in France, has invited him to MC the "NRJ Music Awards" (equivalent to the MTV Music Awards) six years in a row welcoming major French and international stars like David Guetta, Beyoncé, Jay-Z, Britney Spears, U2, Black Eyed Peas, Usher, Coldplay, Madonna.Kavanagh's charisma, outstanding presence, and combined North American and French culture helped make this show a must-see annual showcase to this day.

Kavanagh also returned to television in 2010 as host of a show he co-wrote and co-produced called "Nous avons les images", broadcast on Comédie Channel in France and Super Écran in Canada.