As of July 2026, A.J. Cook is best known for Criminal Minds and Psi Factor: Chronicles of the Paranormal. Find every show and movie A.J. Cook has starred in — and where to watch them — below.
A.J. Cook

A.J. Cook

Actress Born 1978 Oshawa, Ontario, Canada 4 TV Shows 8 Movies

Andrea Joy "A.J." Cook (born July 22, 1978) is a Canadian actress best known for her role as Supervisory Special Agent Jennifer "JJ" Jareau in the CBS crime drama Criminal Minds. She has also appeared in several Hollywood films including The Virgin Suicides, Out Cold, and Final Destination 2.

Cook was born in Oshawa, Ontario, and spent most of her life growing up in Whitby, where she attended Anderson Collegiate Vocational Institute. Her father, Mike, is a teacher, and her mother, Sandra, works as a psychiatrist.She has three siblings, Nathan, Paul, and Angela. Cook is a member of The Church of Jesus Christ of Latter-day Saints.A dancer from age four,Cook began taking jazz, tap and ballet lessons. She danced competitively for many years, before deciding at the age of 16 that she wanted to try acting.

On August 3, 2001, Cook married her long-time boyfriend, Nathan Andersen, whom she met in a film class at Utah Valley University. She later moved to Salt Lake City, Utahto be with him and currently resides in Los Angeles, California.In March 2008, it was reported that Cook and Andersen would be expecting their first child in October.Their son, Mekhai Allan Andersen, was born on September 13, 2008. Cook said "He's such a good baby. I feel so lucky that he's mine. My husband and I feel very blessed!"Mekhai made a brief appearance as Henry LaMontagne in Criminal Minds in Season 5 when Cook's character Jennifer Jareau was in a pharmacy buying children's medicine which leads to a breakthrough in the case the BAU was currently trying to solve.[13] He reprised the role of Henry in the Criminal Minds two-hour season seven finale in 2012. Cook and Andersen are also the owners of a Yorkshire Terrier named Zara.Cook was considered legally blind at an early age because of a severe astigmatism, but wore contacts to correct her vision. She eventually underwent surgery where a lens implant was used to correct the impairment.Cook is best friends with actress Meghan Ory.

Description above from the Wikipedia article A. J. Cook (actress), licensed under CC-BY-SA, full list of contributors on Wikipedia.

A.J. Cook has built a filmography of 12 credits over a career spanning from 1996 to 2010.

A.J. Cook's most notable role to date came in Final Destination 2 (2003), where she played Kimberly Corman. She also appeared in Criminal Minds (2005) as Jennifer Jareau. Most recently appeared in The Virgin Suicides (2000) as Mary Lisbon.

Fans wanting to catch up on A.J. Cook's work can find exactly where her shows and movies are streaming below — and TV Butler Pro makes it effortless to keep track of them all. Just search the title, and Butler finds it instantly, tells you which service has it, and remembers what you've already watched.

or
TV Butler Pro app
🎩 TV Butler Pro — Free to Use
Search or tap a mood. Butler finds it, tracks it, remembers it — all for free.

📺 A.J. Cook's TV Shows

Criminal Minds
Jennifer Jareau
2005
Psi Factor: Chronicles of the Paranormal
1996
Tru Calling
Lindsay Walker
2003
Higher Ground
Shelby Merrick
2000

🎬 A.J. Cook's Movies

Final Destination 2
Kimberly Corman
2003
The Virgin Suicides
Mary Lisbon
2000
Night Skies
LIlly
2007
Mother's Day
Vicky Rice
2010
The House Next Door
Lori Peterson (as AJ Cook)
2002
Misconceptions
Mranda Bliss
2010
I'm Reed Fish
Theresa
2007
Out Cold
Jenny
2001

Never Miss a Show Starring A.J. Cook

TV Butler Pro™ tracks everything you watch, finds where to stream any show or movie — free to use, opens right in your browser.

🎩 Try TV Butler Pro™ Free