Cast Member

Jennifer Jareau

A.J. Cook

A.J. Cook stars as Jennifer Jareau in "Criminal Minds." Cook launched her film career in 1999's "The Virgin Suicides." She has since had several theatrical roles, including lead characters in "Out Cold" and "Final Destination 2." Some of Cook's other television credits include "The 'L' Word," "Dead Like Me" and "Tru Calling."