Freddy Daltonnon-sex, credited as part of the crew
Reinhardnon-sex, credited as part of the crew
Notes and Reviews
Plus -
Markus Waxenegger
Pornfighter Long John
And perhaps one or two other male participants, uncredited, as well as non-sex audience members, mainly male. The overdub claimed a large audience, but, though it did increase with later scenes, it was a little sparse and relatively bored-looking for full erotic effect.