Both MIT and Caltech have beavers as mascots because beavers are the engineers of the animal kingdom (they build dams). Tim McGee went to MIT. The MIT mascot is called Tim the Beaver.
Pauley Perrette said on Entertainment Tonight (1981) that the rolling head scene was the hardest to film because Mark Harmon had to catch the head with his foot.
Leslie Hope, who plays Secretary of the Navy Sarah Porter, plays a character Anita Gibbs in Suits (2011) in 9 episodes.