CATHERINE MUST RE-EXAMINE ONE OF THE VERY FIRST CASES SHE PROCESSED AS A CSI, ON A REBROADCAST OF "CSI: CRIME SCENE INVESTIGATION," ON A SPECIAL NIGHT AND TIME, SATURDAY, MAY 22, 8:00-9:00 PM, ET/PT

Henry Thomas ("ET") Guest Stars as a Convicted Felon

"If I Had A Hammer..." - Catherine revisits one of the very first cases she worked as a CSI when the convicted felon in the murder (guest star Henry Thomas) claims the verdict was based on faulty evidence, on a rebroadcast of CSI: CRIME SCENE INVESTIGATION, on a special night and time, Saturday, May 22 (8:00-9:00 PM, ET/PT) on the CBS Television Network. (Originally broadcast 4/23/09)

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
Conrad Ecklie................................ Marc Vann

GUEST CAST:

Jeremy Kent.............................. Henry Thomas
Sabrina Owen........................... Charlotte Ross
Thomas Harrott....................... Adolphus Ward
ADA Vanderpool......................... John Prosky
Tyler Owen...................................... John Bain
Clint Owen.................................... Mark Totty
Middle-Aged Detective.............. Steve Seagren
Sabrina Littee......................... Brooke Newton

TELEPLAY BY: Allen MacDonald and Corinne Marrinan

STORY BY: Daniel Steck

DIRECTED BY: Brad Tanenbaum

RATING: TV14-LV