From Evan Peters to Amber Heard, Here Are Some of the Biggest Stars to Appear on "Criminal Minds"

In addition to Paul, another "Breaking Bad" alum made a guest appearance on "Criminal Minds." During season 10 of the show, Gunn portrayed an International Unit FBI agent, Lily Lambert, in episode 19, "Beyond Borders." The spinoff of the police drama had reportedly locked in Gunn's character as one of the leads of the show, but the actor later dropped out following the pilot.