a film by Nikolaus Geyrhalter ; regie und kamera, Nikolaus Geyrhalter ; buch, Wolfgang Widerhofer, Maria Arlamovsky, Nikolaus Geyrhalter ; produzenten, Nikolaus Geyrhalter [and 3 others] ; produziert von NGF ; in zusammenarbeit mit ORF Film/Fernsehabkommen, ZDF, 3sat
an ABTV production for the Learning Channel in association with IBIS Films and Channel Four Television ; series producer, Nicholas Barton ; written by John Romer ; co-writer, Elizabeth Romer ; series director, Derek Towers