CSI/Who and What (1)
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Who and What (1) is the sixth episode of the eighth season of CSI, and the one hundred seventy-first episode overall.
Starring: William L. Petersen (Gil Grissom), Marg Helgenberger (Catherine Willows), Gary Dourdan (Warrick Brown), George Eads (Nick Stokes), Jorja Fox (Sara Sidle), Eric Szmanda (Greg Sanders), Robert David Hall (Dr. Al Robbins), Wallace Langham (David Hodges)
Guest Starring: Liz Vassey (Wendy Simms), Denis O'Hare (Tom Michaels), John Hawkes (Terry Wicker), Nathan Gamble (Kobe Farentino), Anthony Ruivivar (Det. Ruben Bejarano), Archie Kao (Archie Johnson), David Berman (David Phillips), Kim Beuche (Carmen Davis), Muse Watson (Station Yard Controller), Nicole Cannon (Floor Manager), Dig Wayne (Paul Fournier), Sarah Danielle Madison (Gina Farentino)