If you click on links we provide, we may receive compensation. TV Shemar Moore heading back to Criminal Minds for season finale By C. Molly Smith C. Molly Smith C. Molly Smith is the former assistant editorial manager at Entertainment Weekly. She left EW in 2019. EW's editorial guidelines Published on March 16, 2017 03:00PM EDT Shemar Moore is heading back to Criminal Minds to guest star in the season 12 finale. The actor will return as Derek Morgan for the episode, in which “Morgan brings the BAU a lead in the case against serial killer and escaped convict Mr. Scratch, who has wreaked havoc on the team all season,” according to a press release from CBS. Moore is an original cast member who starred on the crime drama from 2005 to 2016 and appeared in 251 episodes. He left the show last March after 11 seasons. Criminal Minds addressed the departure by having Morgan bid adieu to the bureau to spend more time with his family. Moore’s credits since his departure include Justice League vs. Teen Titans and The Bounce Back. Criminal Minds stars Joe Mantegna, Paget Brewster, Matthew Gray Gubler, A.J. Cook, Aisha Tyler, Kirsten Vangsness, Adam Rodriguez, and Damon Gupton. Catch the finale when it airs on Wednesday, May 10 at 9 p.m. ET on the network.