HODGES AND WENDY LEAVE THE LAB BEHIND TO LEAD A GROUP OF HIGH SCHOOL CSI STUDENTS IN TRAINING ON A FIELD EXPEDITION, ON "CSI: CRIME SCENE INVESTIGATION," THURSDAY, APRIL 15

Lucas Grabeel ("High School Musical") Guest Stars as a High School CSI Explorer Scout

Series Stars Liz Vassey (Wendy Simms) and Wallace Langham (Hodges) Wrote The Episode

"Field Mice" - When Hodges and Wendy take a group of high school CSI Explorer Scouts on a field trip, they embellish their role in solving cases and take their assignment a little bit too far, on CSI: CRIME SCENE INVESTIGATION, Thursday, April 15 (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

GUEST CAST:

Mandy Webster.................... Sheeri Rappaport
Henry Andrews............................. Jon Wellner
Office Metcalf................................... Joe Kelly
Derrick Gold...................... Kendrick Sampson
Guillermo Seidel........................ Lucas Grabeel
Katy Cypress........................... Cassi Thomson
Stacia Borala........................ Annabelle Amirav
Sgt. Barclay................................... Lex Medlin
Hazmat Leader.............................. Brian Jarvis
Nurse Mona.............................. Beth Littleford
Tenant #1..................................... Travis Clark
Tenant #2.......................................... Ary Katz
Melvin Dodge.................................. Chris Coy
Security Director.......................... Michael Jace
Surgeon....................................... Cory Blevins
Inern.......................................... Cat Hammons
Security Guard.............................. Geoff Koch
Paula Francis............................... Paula Francis

TELEPLAY BY: Series stars Liz Vassey (Wendy Simms) and Wallace Langham (Hodges)

STORY BY: Naren Shankar, one of the series' executive producers, and Jennifer N. Levin

DIRECTED BY: Brad Tanenbaum

RATING: To Be Announced