Factual error: A delightful movie that theoretically takes place in the vicinity of Portland Oregon, over a period of many months. The problem is, that at no time does it ever rain, and anyone who has lived near Portland knows it rains half of the year.
Continuity mistake: When Stern is cutting Gutterman loose and they're at Rachel's desk, Gutterman is right behind Stern, close enough to touch the desk and sets his hat on it. The shot changes and Gutterman is now further away, not even in arm's reach of the desk.
Continuity mistake: When the two young lads jump off the bridge to escape in handcuffs, as they fall together the handcuffs disappear. (01:12:00 - 01:13:00)
Factual error: Sergeant-Major Saunders is wearing sergeant's stripes. Corporals Drake and Levin are wearing no rank insignia at all.
Character mistake: When Johnny and Cleo leave the Chateau and head for Vegas, they are shown getting on the 101 freeway North (in Hollywood) and are coming from the east and turning right onto the freeway. The Chateau is in West Hollywood so to turn onto the freeway where they did, they would have come from the west.
Factual error: After warping back from Iscandar, Kodai looks out of the window. Yuki Mori points him where Earth is. A moment later, he responds to the hailing signal saying that they are now 420,000 kilometres from Earth. Considering that the distance between Earth and the Moon is about 385,000km, Earth is looking unreasonably minuscule from their window. (01:52:50)