According to Recessionista at Rob's IMDb boards
LMAO! he was interviewed on an Irish show and asked about working with him. The interviewer said ‘they just love this guy, he’s like a one man Beatles’! Colm said girls were waiting outside the set all the time and was particularly taken aback when they were filming in the middle of nowhere in Budapest and 3 middle aged women stayed outside in miserable weather 24/7 to see him.
Via