The fifth season of CSI: Crime Scene Investigation originally aired on CBS on September 23, 2004 and ended on May 19, 2005.
Main Cast
- William Petersen as Gil Grissom
- Marg Helgenberger as Catherine Willows
- Gary Dourdan as Warrick Brown
- George Eads as Nick Stokes
- Jorja Fox as Sara Sidle
- Eric Szmanda as Greg Sanders
- Robert David Hall as Dr. Al Robbins
- Paul Guilfoyle as Jim Brass
Special Guest Cast
- Louise Lombard as Sofia Curtis
- Wallace Langham as David Hodges
- David Berman as David Phillips
- Jason Segel as Nail Jansen