William B. Davis, who plays the inspector that tells Frank that they will "have to red flag this jobsite" also played a french consulate official in 1.15, Merchant Of Death.
Less than four years later, he would begin his most famous role, The X-Files' Cigarette Smoking Man.
The music Frank is rightfully enjoying when Burroughs sneaks in and turns it off, is the Allegretto from Beethoven's Seventh Symphony, which Frank himself refers to as "A Good Beethoven". This was first performed in Vienna on Wednesday the 8th of December, 1813.