Trent: I don't want you to be the guy in the PG-13 movie everyone's *really* hoping makes it happen. I want you to be like the guy in the rated R movie, you know, the guy you're not sure whether or not you like yet. You're not sure where he's coming from. Okay? You're a bad man.
At the beginning when Jon Favreau is on the phone in his flat you can see the cameraman reflected in the window directly in front of him.
The guy sitting at the $100 table is Vince Vaughn's father and the old lady who wins Black Jack is Jon Favreau's grandmother.