Harold Perrineau has landed a recurring role on “Criminal Minds.”

The 53-year-old former “Oz” actor will find himself back in a cell as he plays the role of Calvin Shaw, a former FBI agent incarcerated for killing one of his informants.

Criminal Minds” faced a few challenges after losing two longtime stars. Shemar Moore exited to pursue other opportunities and Thomas Gibson was fired after going HAM on a producer of the show.

In addition to Harold, Aisha Tyler and Adam Rodriguez have also joined the cast.

Will you be watching?