Criminal Minds Season 4 Characters & Cast — No Spoilers
Every character in Criminal Minds season 4 with photos and the actors who play them, including Joe Mantegna, Paget Brewster, Thomas Gibson — spoiler-free, nothing from later seasons.
- David Rossi — played by Joe Mantegna
- Emily Prentiss — played by Paget Brewster
- Aaron Hotchner — played by Thomas Gibson
- Penelope Garcia — played by Kirsten Vangsness
- Jennifer Jareau — played by A.J. Cook
- Derek Morgan — played by Shemar Moore
- Dr. Spencer Reid — played by Matthew Gray Gubler
- Jordan Todd — played by Meta Golding
- The Reaper / George Foyet — played by C. Thomas Howell
- Kevin Lynch — played by Nicholas Brendon
- William Reid — played by Taylor Nichols
- Officer Jeff Bedwell — played by John Lacy
- Dr. Norman — played by Bruce French
- Det. Benning — played by Rowena King
- Mason Turner — played by Garret Dillahunt
- William Hightower — played by Sharif Atkins
- Maxine Hightower — played by Vernee Watson
- SWAT Leader (uncredited) — played by Jon Barton
- Diana Reid — played by Jane Lynch
- Kelly — played by Lily Kershaw
All seasons of Criminal Minds: full spoiler-free character guide