Andrea Joy Cook is a Canadian actress. She is best known for her role as Supervisory Special Agent Jennifer "JJ" Jareau on the CBS crime drama Criminal Minds. Cook has also appeared in The Virgin Suicides (1999), Higher Ground (2000), Ripper (2001), Out Cold (2001), Final Destination 2 (2003), and Tru Calling (2003–2004).

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.