Daniel Koolen is a fictional character portrayed by Hugo Haenen in the TV series Van der Valk.
They appear in 1 episodes out of a total of 9 aired so far
Episodes1
Love in Amsterdam
episode S1.E1 september 2020Two apparently unrelated men are found murdered in two different places in Amsterdam on the same day, raising questions as to whether they are linked, and if they have anything to do with the disappearance of an activist student.