David Marwick is a fictional character portrayed by Brit Whittle in the TV series Blue Bloods.
They appear in 1 episodes out of a total of 285 aired so far
Episodes1
Little Fish
episode S1.E11 january 2011Danny unravels a judge's complicity when he favors a sex trafficker and FBI informant against the mob. Frank gets closure for a case from his policing days of a boy who had disappeared. The boy's remains and a confession achieve that.