Casey makes three mistakes when he says the Starland Vocal Band won the Grammy's Best New Artist award over Elvis Costello in 1978. Starland won theirs over Boston in 1977. The winner in 1978 was Debbie Boone over Foreigner. And Elvis Costello, along with Chris Rea, Toto, and The Cars, lost to A Taste of Honey in 1978.
(#1.02), when Dan is talking to Casey about making the corporate people wait in Isaac's office for him, you can see, in one shot of Dan looking out the door of Dan and Casey's office, Isaac Jaffe is waiting around the corner for his cue to come around the corner and deliver his lines.