 Because Lucas often worked with dwarf actors, he was able to hire a number of extras to work on these sequences.The ultralight sequence was difficult to shoot, requiring intense coordination and actors Tim Robbins and Ed Gale to actually fly the plane.The location scout was stumped for a location for the sequence; after she described what she was looking for, a telephone repairman working in her office in San Francisco suggested Petaluma, California, for the scene.