GRISSOM AND HIS TEAM BATTLE THE FLU WHILE INVESTIGATING A DANGEROUS LAS VEGAS GANG THAT IS MURDERING KEY WITNESSES IN A GRAND JURY CASE, ON "CSI: CRIME SCENE INVESTIGATION," THURSDAY, APRIL 3

Bonnie Bedelia ("Big Love") Guest Stars as Deputy District Attorney Madeline Klein

"Grissom's Divine Comedy" - Grissom and his team battle the flu when they are called upon by DDA Klein (Bedelia) to investigate the deaths of several key witnesses for a grand jury case against a dangerous Las Vegas gang, on CSI: CRIME SCENE INVESTIGATION, Thursday, April 3 (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

GUEST CAST:

DDA Madeline Klein: Bonnie Bedelia
Cody Cook: Natasha Gregson Wagner
Officer Mitchell: Larry Mitchell
Richard O'Malley: Jack McGee
Judge: Van Epperson
Marie Leahy: Ashley-Nicole Sherman
Tim O'Shea: Dave Shalansky
Juror #1: Susan Merson
Raphael Gomez: Daniel Louis Rivas
Special Guard Ron Pen: Andrew Hawkes
Emilio Alvarado: Robert LaSardo
Discharge Guard: Kim Delgado
Don Cook: David Burke
Juror #2: Andy Forrest

TELEPLAY BY: Jacqueline Hoyt

STORY BY: Jacqueline Hoyt and Carol Mendelsohn, one of the series' executive producers

DIRECTED BY: Richard J. Lewis

RATING: To Be Announced