Actor Daniel Radcliffe is not afraid of girls only dating him for his money - because he has already learned how to spot the gold diggers. The Harry Potter star has enjoyed increased female attention since taking on the role as the boy wizard, but insists he can easily spot those who are simply after his $46 million (GBP23 million) fortune. He tells British radio station Heart: "That's not a worry because it's very easy to work out which girls those are. "As long as you take everything they say with a pinch of salt, you'll be fine."