Willhelm has worked on a number of films, including Men In Tights, a collaboration with fashion photographer Nick Knight, which was shown in conjunction with his AW08-9 Menswear Collection[REF] and Red Rose Pink Donkey, made in collaboration with Dirk Bonn and screened at Athens Biennale [REF].
Willhelm created costumes for Bjork, used for her Volta album cover and her 2007 World Tour,[REF] as well as for R.W. Fassbinder's play Die bitteren Tränen der Petra von Kant, shown at Deutsches Theater in Berlin [REF].