We don't have a biography for Dr. Raymond Langston yet. Hang in there, or go ahead and contribute one.
Appearances
CSI: Crime Scene Investigation
Main cast, played by Laurence Fishburne
- Episode 9x11: The Grave Shift (Jan 22, 2009)
- Episode 9x12: Disarmed & Dangerous (Jan 29, 2009)
- Episode 9x13: Deep Fried and Minty Fresh (Feb 12, 2009)
- Episode 9x14: Miscarriage of Justice (Feb 19, 2009)
- Episode 9x15: Kill Me If You Can (Feb 26, 2009)
- Episode 9x16: Turn, Turn, Turn (Mar 5, 2009)
- Episode 9x17: No Way Out (Mar 12, 2009)
- Episode 9x18: Mascara (Apr 2, 2009)
- Episode 9x19: The Descent of Man (Apr 9, 2009)
- Episode 9x20: A Space Oddity (Apr 16, 2009)
- Episode 9x21: If I Had a Hammer… (Apr 23, 2009)
- Episode 9x22: The Gone Dead Train (Apr 30, 2009)
- Episode 9x23: Hog Heaven (May 7, 2009)
- Episode 9x24: All In (May 14, 2009)
- Episode 10x01: Family Affair (Sep 24, 2009)
- Episode 10x02: Ghost Town (Oct 1, 2009)
- Episode 10x03: Working Stiffs (Oct 8, 2009)
- Episode 10x04: Coup de Grace (Oct 15, 2009)
- Episode 10x05: Bloodsport (Oct 29, 2009)
- Episode 10x06: Death and the Maiden (Nov 5, 2009)
- Episode 10x07: The Lost Girls (Nov 12, 2009)
- Episode 10x08: Lover's Lanes (Nov 19, 2009)
- Episode 10x09: Appendicitement (Dec 10, 2009)
- Episode 10x10: Better Off Dead (Dec 17, 2009)
- Episode 10x11: Sin City Blue (Jan 14, 2010)
- Episode 10x12: Long Ball (Jan 21, 2010)
- Episode 10x13: Internal Combustion (Feb 4, 2010)
- Episode 10x14: Unshockable (Mar 4, 2010)
- Episode 10x15: Neverland (Mar 11, 2010)
- Episode 10x16: The Panty Sniffer (Apr 1, 2010)
- Episode 10x17: Irradiator (Apr 8, 2010)
- Episode 10x18: Field Mice (Apr 15, 2010)
- Episode 10x19: World's End (Apr 22, 2010)
- Episode 10x20: Take My Life, Please! (Apr 29, 2010)
- Episode 10x21: Lost & Found (May 6, 2010)
- Episode 10x22: Doctor Who (May 13, 2010)
- Episode 10x23: Meat Jekyll (May 20, 2010)
- Episode 11x01: Shock Waves (Sep 23, 2010)
- Episode 11x02: Pool Shark (Sep 30, 2010)
- Episode 11x03: Blood Moon (Oct 7, 2010)
- Episode 11x04: Sqweegel (Oct 14, 2010)
- Episode 11x05: House of Hoarders (Oct 21, 2010)
- Episode 11x06: Cold Blooded (Oct 28, 2010)
- Episode 11x07: Bump and Grind (Nov 4, 2010)
- Episode 11x08: Fracked (Nov 11, 2010)
- Episode 11x09: Wild Life (Nov 18, 2010)
- Episode 11x10: 418/427 (Dec 9, 2010)
- Episode 11x11: Man Up (Jan 6, 2011)
- Episode 11x12: A Kiss Before Frying (Jan 20, 2011)
- Episode 11x13: The Two Mrs. Grissoms (Feb 3, 2011)
- Episode 11x14: All That Cremains (Feb 10, 2011)
- Episode 11x15: Targets of Obsession (Feb 17, 2011)
- Episode 11x16: Turn On, Tune In, Drop Dead (Feb 24, 2011)
- Episode 11x17: The List (Mar 10, 2011)
- Episode 11x18: Hitting for the Cycle (Mar 31, 2011)
- Episode 11x19: Unleashed (Apr 7, 2011)
- Episode 11x20: Father of the Bride (Apr 28, 2011)
- Episode 11x21: Cello and Goodbye (May 5, 2011)
- Episode 11x22: In a Dark, Dark House (May 12, 2011)
Guest cast, played by Laurence Fishburne