On May 11, 2004, while filming a scene outside Treasure Island on the Las Vegas strip, a severe sandstorm forced production to shut down for the night.
Eileen Brennan, who plays Stan Fields' mom, is actually a year younger than William Shatner, who plays Stan Fields. He was born in 1931, she was born in 1932.
While Hart, Fuller, and Foreman are in the car just before the arrival at the Venetian Hotel, the M&M / CocaCola stores can be seen in the background across the street. This means they are traveling south on the strip, yet moments later, they get to the hotel which is on the same side of the street as the M&M / CocaCola stores and much further north.
During the scene where Gracie Hart first meets Joel Meyers, he tells her "Do as I say and he will live to regret it", but his mouth clearly doesn't match and the audio is obviously dubbed.
Cheryl: We've been kidnapped and there's two men here who say they're going to kill us by Friday at midnight. But I don't want anyone to pay them any money. Because that would be giving into terrorism. And I'm Miss United States and I stand for fairness, decency and the American Way.
Sam Fuller: Okay, look! I don't work for you and you don't work for me. We're a team. Get it? As in 'I will kick your sorry ass if you don't listen to me' team.