WATCH – Former Munster man Duncan Casey has been brushing up on his French.

Hooker Duncan Casey who joined Grenoble as a medical joker last month has been showing off his French in front of the media.

Casey is filling in for 33-year-old Frenchman Arnaud Heguy who is expected to be out for six months after undergoing surgery on his shoulder.

The Corkman made his first start for his new club against RC Vannes in the Pro D2, where Grenoble enjoyed a last minute victory.

Watch as Casey speaks to the French press in their native tongue below.