Complex sentence: Shooting many scenes in sets closed to everyone but essential cast and crew and despite the low budget they went so far as to even shoot extra scenes and two alternative endings that Jackson and Steve Wolsh had no intention of ever using in the actual film.
Split into simpler sentences: Shooting many scenes in sets closed to everyone but essential cast and crew. Despite the low budget they went so far as to even shoot extra scenes and two alternative endings that Jackson and Steve Wolsh had no intention of ever using in the actual film.