NICK'S INVESTIGATION INTO THE DEATH OF A SKYDIVER MAY BE LINKED TO A MYSTERIOUS DOUBLE MURDER CASE, ON "CSI: CRIME SCENE INVESTIGATION," THURSDAY, APRIL 9

Charisma Carpenter ("Buffy The Vampire Slayer") And Greg Germann ("Ally McBeal") Guest Star

"The Descent of Man" - Nick's case of a deceased skydiver takes an interesting turn when Catherine discovers there may be a connection between the skydiver and a mysterious double murder case, on CSI: CRIME SCENE INVESTIGATION, Thursday, April 9 (9:00-10:01 PM, ET/PT) on the CBS Television Network. Charisma Carpenter ("Buffy the Vampire Slayer") and Greg Germann ("Ally McBeal") guest star.

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

RECURRING CAST:

Archie Johnson: Archie Kao
Henry Andrews: Jon Wellner

GUEST CAST:

Mink: Charisma Carpenter
George: Greg Germann
Officer Akers: Larry Sullivan
Paramedic: Jeffrey D. Stevens
Flight Mechanic: Timothy McLaughlin
Schuyler: Erin Daniels
Max Girard: Ivo Nandi
Pierre Delongue: Emmanuel Delcour
Highway Patrolman: Charley Rossman
Holy Steven: Andrew Kirsanov
Gretchen Javid: Lindsay Hartley
Ismail Javid: Kavon Karami
Allen McKenna.: Michael Gianelli
Deputy Sheriff: Eric Allan Kramer
Bird Watcher: Joe Ochman
Persian Killer: Christopher Maleki

WRITTEN BY: Evan Dunsky

DIRECTED BY: Chris Leitch

RATING: To Be Announced