Jamie keeps a picture of his brother Joe, inside his hat.
Angelo Gallo (Chazz Palminteri) tells Frank Reagan (Tom Selleck) he will meet him at Primo's on Friday night. Primo Sidone was Chazz Palminteri's character in the 1999 comedy film Analyze This.
Early on, when all the jurors were around the rectangular table and voting on an innocent or guilty verdict; the bloke at the end of the table asked who voted 'not guilty'. When Danny put his hand up and dobbed himself in, the bloke told Danny that the votes are supposed to anonymous. If he didn't want to know who voted 'not guilty' he shouldn't have asked. Duh.