THE CSIs INVESTIGATE A STRING OF MURDERS LINKED TO A POKER SCAM INVOLVING VALUABLE CHIPS FROM A CLOSED CASINO, ON THE NINTH SEASON FINALE OF "CSI: CRIME SCENE INVESTIGATION," THURSDAY, MAY 14

Cynthia Watros ("Lost") and Gerald McRaney ("Jericho") Guest Star As Two Of the Suspects Involved In The Poker Scam

"All In" - A cache of missing chips from a closed down casino turn up in Vegas and a string of murders follow, leading Langston to use deadly force for the first time in his career as a CSI, on the ninth season finale of CSI: CRIME SCENE INVESTIGATION, Thursday, May 14 (9:00-10:00 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS:

Dr. Raymond Langston: Laurence Fishburne
Catherine Willows: Marg Helgenberger
Nick Stokes: George Eads
Captain Jim Brass: Paul Guilfoyle
Greg Sanders: Eric Szmanda
Dr. Robbins: Robert David Hall
David Phillips: David Berman
Hodges: Wallace Langham
Wendy Simms: Liz Vassey
Riley Adams: Lauren Lee Smith

GUEST CAST:

Barbie Aubrey: Cynthia Watros
Eli Schindler: Gerald McRaney
Conrad Ecklie: Marc Vann
Mandy Webster: Sheeri Rappaport
Bruno Curtis: Mark Pellegrino
Huston Dobbs: Brian Oerly
Walter Ellis: Andrew Rothenberg
Clayton Ferris: Peter Breitmayer
Paramedic: Wayne Wilderson
Nurse Belinda: Shelli Bergh
Landscaper: Carlos Moreno Jr.
Counter Boy: Dusty Sorg
Patron #1: Larry Udy
Patron #2: Conny Van Dyke
Paula Francis: Paula Francis

TELEPLAY BY: Evan Dunsky & Richard Catalani

STORY BY: Naren Shankar, one of the series' executive producers, & Phillip Schenkler

DIRECTED BY: Paris Barclay

RATING: To Be Announced