He plays Dr. Spencer Reid. Dr. Reid is the youngest member of the Behavior Analysis Unit of the FBI. In the first episode of Criminal minds we learn that he has an I.Q of 187, has an Eidetic Memory and can read 20,000 words a minute. He is the most popular character on Criminal Minds.
Actress Nora Dunn gues stars in both of these shows. She plays the role of Lauren in the episode Pleasure Is My Business on Criminal Minds and JoAnne Fletcher in the epsiodes Dreamland and Dreamland II on The X-Files.