LADY HEATHER AND GRISSOM'S WORLDS COLLIDE AGAIN WHEN SHE IS FOUND NEAR DEATH AFTER AN PRIVATE RENDEZVOUS WITH A SADISTIC CLIENT, ON "CSI: CRIME SCENE INVESTIGATION," THURSDAY, MAY 10

Melinda Clarke ("The O.C.") Returns as Lady Heather

"The Good, the Bad & the Dominatrix" -- Sara's uneasy about Grissom being reunited with Lady Heather during the CSI's investigation of her attempted murder by a client she refuses to name, on CSI: CRIME SCENE INVESTIGATION, Thursday, May 10 (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
Sara Sidle: Jorja Fox
Greg Sanders: Eric Szmanda
Dr. Robbins: Robert David Hall
Sofia Curtis: Louise Lombard
Hodges: Wallace Langham

RECURRING CAST:

Lady Heather Kessler: Melinda Clarke
Officer Mitchell: Larry Mitchell
Wendy Simms: Liz Vassey
David Phillips: David Berman
Archie Johnson: Archie Kao
Judy Tremont: Victoria Prescott

GUEST CAST:

Jack Oakley: Joe Penny
Paramedic: Jason Sweat
Vernon Porter: Rif Hutton
Faith Maroney: Jessie Ward
Nurse: Shelli Berg
Benjamin Oakley: Conor Dubin
Jeffrey Lanier: Todd Williams
Cab Dispatcher: Sonya Eddy
Gus DiFusco: Vic Polizos
Cab Driver: Shang Forbes
Chandru "Dru" Kambhatla: Omid Abtahi
Jerome Kessler: JR Bourne

WRITTEN BY: Jacqueline Hoyt

DIRECTED BY: Alec Smight

RATING: TV-14-V