The series' original run on CBS spanned 15 seasons from 2005 through 2020.
Her directorial debut was far from the first time that a cast member took the reins.
Gubler directed 12 episodes from 2010 through 2018 and Mantegna helmed nine starting in 2014.
It is rather common for the stars of long-running television series to eventually step into the director’s chair.
