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Poison is the thirteenth episode of the first season of Criminal Minds.
Starring: Mandy Patinkin (Jason Gideon), Thomas Gibson (Aaron Hotchner), Lola Glaudini (Elle Greenaway), Shemar Moore (Derek Morgan), Matthew Gray Gubler (Dr. Spencer Reid), A.J. Cook (Jennifer "J.J." Jareau)
Co-Starring: Jayne Taini (Nell Trucco), Annie Quinn (Samantha DiForio), Braeden Lemasters (Eric Fisher), Matt Baker (Danny Wallace), Amy Wieczorek (Office Manager), Fred Ochs (Doctor), Sonia Jackson (Head Nurse), James Howell (Desk Sergeant), Bill Doyle (Uniform Cop), P. David Miller (Trooper), James Bartz (Brian Devons), Suzanne Whang (Reporter), Lynn Odell (Lynn Dempsey)