Charlie Baird's secret service men have silver hair just like him for an added protective measure.
Bob (Martin Mull)'s ring tone is the same as the one for Frank Underwood (Kevin Spacey) in House of Cards (2013).
Lennon Parham (Karen Collins) & Tony Hale (Gary Walsh) also worked together on episode 4.14, Off the Hook (2013), of Arrested Development (2003) as Therapist Sandy & Buster Bluth respectively.