How many movies have Robert Musgrave and Stephen Root acted in together?

They have worked on 2 movies together! Their first movie together was Idiocracy (2006) and was their highest rated movie together. They have not worked together since Drillbit Taylor (2008).

Drillbit Taylor (2008)

Role
Stump
Role
Principal Doppler

Idiocracy (2006)

Role
Sgt. Keller
Role
Judge Hector "The Hangman" (uncredited)