CATHERINE WILLOWS RETURNS TO HELP THE CSIs SOLVE A COLD CASE THAT HAS HAUNTED THE TEAM FOR 14 YEARS, ON THE MILESTONE 300th EPISODE OF "CSI: CRIME SCENE INVESTIGATION," WEDNESDAY, OCT. 23

Marg Helgenberger Returns as Catherine Willows

Jason Priestley Guest Stars as Casino Mogul Jack Witten

"Frame by Frame" - Catherine Willows returns to help the CSIs solve a cold case that has haunted the team for 14 years, on the milestone 300th episode of CSI: CRIME SCENE INVESTIGATION, Wednesday, Oct. 23 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Marg Helgenberger returns as Catherine Willows. Jason Priestley guest stars as casino mogul Jack Witten.

SERIES REGULARS:

Ted Danson (D.B. Russell)
Elisabeth Shue (Julie Finlay)
George Eads (Nick Stokes)
Paul Guilfoyle (Captain Jim Brass)
Jorja Fox (Sara Sidle)
Eric Szmanda (Greg Sanders)
Robert David Hall (Dr. Robbins)
David Berman (David Phillips)
Wallace Langham (David Hodges)
Elisabeth Harnois (Morgan Brody)
Jon Wellner (Henry Andrews)

GUEST CAST:

Marc Vann (Conrad Ecklie)
Larry Mitchell (Officer Mitchell)
Jason Priestley (Jack Witten)
Kiersey Clemons (Gwen Onetta)
J. Downing (Walter Blaine)
Lindsay Bushman (Emily Bridwell)
Bethany Joy Lenz (Darcy Blaine)
Adam Johnson (Bob Geer)
Marg Helgenberger (Catherine Willows)

WRITTEN BY: Gavin Harris

DIRECTED BY: Alec Smight

RATING: To Be Announced