A.J.'s first role was on an episode of Goosebumps as Kim Carter in the episode called Don't Wake Mummy with Evan Morgan. This is the tv series based on the children's horror stories by R. L. Stine.
A. J. has also had parts in PSI Factor: Chronicles of the Paranormal in the episode called Hell Week as Lee Mason with Matt Frewer, Colin Fox, Dan Aykroyd, Nancy Anne Sakovich and Barclay Hope, Tru Calling as Lindsay Walker with Eliza Dushku, Shawn Reaves and Zach Galifianakis and Vanished as Hope alongside Brad Rowe and Bianca Kajlich.
She has appeared in Elvis Meets Nixon as a hippie chick with Bob Gunton and Bob Gunton.
A.J. made her feature film debut in a film called The Virgin Suicides as Mary Lisbon with Kathleen Turner, James Woods, Josh Hartnett and Kirsten Dunst and she also won a recurring role in the TV series Higher Ground as Shelby Merrick with Joe Lando and Hayden Christensen.
She has also starred in the films, The Spiral Staircase as Judd Nelson and Nicollette Sheridan, Out Cold as Jenny alongside Jason London, Lee Majors, Zach Galifianakis, Derek Hamilton, Willie Garson and Caroline Dhavernas, Final Destination 2 and Final Destination 3 as Kimberly Corman with Ali Larter, Michael Landes and David Paetkau, Laserhawk with Mark Hamill and Jason James Richter and in Blue Moon as Alison alongside Mimi Kuzyk.
Other roles include Teen Sorcery as Dawn with Craig Olejnik and Lexa Doig, Wishmaster 3 - Devil Stone as Diana Collins opposite Jason Connery and The House Next Door as Lori Peterson opposite James Russo, Frederic Forrest and Theresa Russell.
She has also appeared in Blood Suckers as Fiona Kennedy with Natassia Malthe and Dominic Zamprogna. Night Skies as Lilly alongside Jason Connery, George Stults and Ashley Peldon, Ripper as Molly Keller with Bruce Payne, Jurgen Prochnow and Kelly Brook and I'm Reed Fish as Theresa with Katey Sagal and Jay Baruchel .
A. J. has also starred in Dead Like Me in the episode called Sunday Mornings as Charlotte alongside Cynthia Stevenson and Mandy Patinkin.
Other roles include First Wave in the episode called The Flight of Francis Jeffries as Lindsay Tilden alongside Sebastian Spence and Rob LaBelle and in In His Father's Shoes as Lisa opposite Louis Gossett Jr.
But perhaps A. J.'s most notable role is that of playing FBI Special Agent Jennifer "J.J." Jareau in, alongside Criminal Minds - Season 1,Criminal Minds - Season 2, Criminal Minds - Season 3, Criminal Minds - Season 4, Criminal Minds - Season 5 and Criminal Minds - Season 6 alongside Mandy Patinkin, Thomas Gibson, Shemar Moore, Paget Brewster, Matthew Gray Gubler, Kirsten Vangsness, Joe Mantegna and Lola Glaudini. The show follows the adventures of a team of profilers from the FBI's Behavioral Analysis Unit (BAU) at Quantico, Virginia.
She has also starred in My Gay Christian Baby as Miranda Bliss with Sarah Carter and David Moscow.
Other roles include starring in Mother's Day as Vicky Rice with Rebecca De Mornay, Jaime King and Briana Evigan and in Law and Order: Special Victims Unit as Debbie Shields in the episode called "Mask".
A. J. has also appeared in Bringing Ashley Home as Libba Phillips.
A.J. Cook - filmography
A.J. Cook facts
5 most recent filmsCriminal Minds - Season 6 - 4.5 stars
Criminal Minds - S07 E14 - Closing Time - 4.5 stars
Criminal Minds - S07 E19 - Heathridge Manor - 4.0 stars
Criminal Minds - S07 E23 - Hit - 4.5 stars
Criminal Minds - S07 E20 - The Company - 4.5 stars
5 highest-rated filmsCriminal Minds - Season 5 - 4.5 stars
Criminal Minds - Season 4 - 4.5 stars
Criminal Minds - Season 6 - 4.5 stars
Criminal Minds - Season 3 - 4.5 stars
Criminal Minds - Season 2 - 4.5 stars
5 lowest-rated filmsMy Gay Christian Baby - 1.0 stars
Ripper - 2.0 stars
Wishmaster 3 - Devil Stone - 2.5 stars
The Virgin Suicides - 3.0 stars
Final Destination 2 - 3.5 stars
Most frequent co-starsShemar Moore - 310 times - show films
Thomas Gibson - 310 times - show films
Matthew Gray Gubler - 264 times - show films
Kirsten Vangsness - 211 times - show films
Paget Brewster - 206 times - show films
Most frequent directorsGlenn Kershaw - 37 times - show films
Edward Allen Bernero - 34 times - show films
Charles S. Carroll - 23 times - show films
John Gallagher - 22 times - show films
Felix Alcala - 22 times - show films