In this 2011 NBCUniversal interview, before the series premiere, David Giuntoli (Nick Burkhardt) talked about Grimm, his character Nick Burkhardt, how scary is the show, Halloween, and what scared him growing. Source: NBCUniversal
David Giuntoli Talks About “Grimm” on NBC
David Giuntoli talks about Grimm, Halloween, and what scared him growing up!