THE CSI TEAM INVESTIGATES A SERIES OF SUSPICIOUS DEATHS WHERE THE VICTIMS ARE LINKED BY THE FACT THAT THEY ALL HAVE GREEN BLOOD, ON "CSI: CRIME SCENE INVESTIGATION," THURSDAY, MAY 1

"The Theory of Everything" - Grissom and his team discover several victims who have green blood, leading them to the conclusion that their deaths are somehow connected, on CSI: CRIME SCENE INVESTIGATION, Thursday, May 1 (9:00-10:00 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS:

Gil Grissom: William Petersen
Catherine Willows: Marg Helgenberger
Warrick Brown: Gary Dourdan
Nick Stokes: George Eads
Captain Jim Brass: Paul Guilfoyle
Greg Sanders: Eric Szmanda
Dr. Robbins: Robert David Hall
Hodges: Wallace Langham

RECURRING CAST:

David Phillips: David Berman
Archie Johnson: Archie Kao
Wendy Simms: Liz Vassey

GUEST CAST:

Mandy Webster: Sheeri Rappaport
Henry Andrews: Jon Wellner
Officer Mitchell: Larry Mitchell
Office Choi: Colin Kim
Evelyn Polychronopolous: Chloe Webb
Kyle Planck: Karl Makinen
Officer Casella: Sam Witwer
I.A. Officer Galvez: Jose Pablo Cantillo
Margo Delphi: Christine Lakin
Logan Martin: Joe Howard
Dave Bohr: Don Swayze
Cell Phone Dude: Jeremy Cohenour

TELEPLAY BY: Douglas Petrie and David Rambo

STORY BY: Carol Mendelsohn, one of the series' executive producers, and David Rambo

DIRECTED BY: Chris Leitch

RATING: To Be Announced