Revealing mistake: During the meeting on the beach, while Bill remains on the hill Ralph flies to the surfaced submarine, and in Ralph's closeups on the sub the crinkled black wall behind him is painfully obvious.
Continuity mistake: While Bill and Ralph drive around checking on the FBI's list of addresses, in the closeups the mirror Ralph uses for his visions is attached to the sun visor with metal clips, but each time Ralph pushes the visor back up the metal clips are gone.
Bill Maxwell: They give... and office like this to a kid... a girl? Come on now, counselor. I wasn't born yesterday. Pam Davidson: No, it was more like 1880, wasn't it, Bill? Bill Maxwell: That's very funny.