Matthew Gray Gubler is an American actor, best known for his role as criminal profiler Dr. Spencer Reid in the CBS television show Criminal Minds, for which he also directed several episodes. Gubler has appeared in The Life Aquatic with Steve Zissou, 500 Days of Summer, Life After Beth, Suburban Gothic, and Newness. He was also the voice of Simon in Alvin and the Chipmunks and its three sequels.

Criminal Minds is an American police procedural crime drama television series created and produced by Jeff Davis. The series premiered on CBS on September 22, 2005, and originally concluded on February 19, 2020; it was revived in 2022. It follows a group of criminal profilers who work for the FBI as members of its Behavioral Analysis Unit (BAU), using behavioral analysis and profiling to investigate crimes and find the unsub, the team's term for perpetrators. The show tells the story of the team as they work various cases and tackle their personal struggles.