How many movies have Bengt-Inge Hertzman and Krister Henriksson collaborated on?

They have worked on 2 movies together! Their first movie together was Trettondagsafton (1999) while their highest rated movie together was Peter-No-Tail and the Big Treasure Hunt (2000). They have not worked together since Peter-No-Tail and the Big Treasure Hunt (2000).