|Original Airdate||April 29, 2004|
Dead Ringer is the twentieth episode in season four of CSI: Crime Scene Investigation.
The CSIs have to drop out off the annual 120-mile 24-hour Marathon Baker to Vegas relay race when Grissom finds a dead contestant next to the track. Meanwhile Warrick and Sara investigate what appears to be a murder-suicide when a male and a female cop are found dead in a hotel room.
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Main Cast Edit
- 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
Guest Cast Edit
- Wallace Langham as David Hodges
- David Berman as David Phillips
- Alex Carter as Detective Louis Vartann
- Romy Rosemont as Jacqui Franco
- Dash Mihok as Will Marshall
- Steven Culp as Lieutenant Mendez
- Tina Holmes as Wendy Senteno
- Shawn Doyle as Archie Lopez
- Kim Rhodes as Lydia Lopez
- Tom Parker as SWAT Runner
- Neil Giuntoli as Mr. Drake
- Chris Coppola as Clyde Grimes
- Jennifer Gatti as Patricia Fielding
- Brian Johnson as Manny Senteno
- Chad Williams as Tim Coleman
- Starting Over by Crystal Method.
- Chariots of Fire by Vangelis.
- Are You Gonna Be My Girl by Jet.