Thanks to Father Time for sending this in:
Hey I was just watching the independent movie "The Escapist" starring Brian Cox and Joesph Fines. Its a movie about prison and during the first 15 minutes none other then Sheamus appeared as one of the prisoners and had a small role saying only one line "Catwalk!" when some new prisoners came into the jail. The movie was made in 2008 and Sheamus was sporting a little bit shorter hair style at the time.