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Irradiator is the seventeenth episode of the tenth season of CSI, and the two hundred twenty-third episode overall.
Starring: Laurence Fishburne (Raymond "Ray" Langston), Marg Helgenberger (Catherine Willows), George Eads (Nicholas "Nick" Stokes), Eric Szmanda (Gregory "Greg" Sanders), Robert David Hall (Dr. Albert "Al" Robbins), Wallace Langham (David Hodges), Liz Vassey (Wendy Simms), David Berman (David Phillips), Paul Guilfoyle (Capt. James "Jim" Brass)