Michael Whaley as Bernstein an MDPD Robbery-Homicide Division (RHD) Detective assigned to assist the CSI's.Holt McCallany as John Hagen a senior MDPD Robbery-Homicide Division (RHD) Detective assigned to assist the CSI's.Wanda de Jesus as Adelle Sevilla an MDPD Robbery-Homicide Division (RHD) Detective assigned to assist the CSI's.Rex Linn as Detective Frank Tripp a senior Robbery-Homicide Division (RHD) Detective assigned to assist the CSI's.Sofia Milos as Detective Yelina Salas Horatio's sister-in-law and a senior Robbery-Homicide Division (RHD) Detective assigned to assist the CSI's.She is extremely compassionate and oftentimes speaks to dead bodies. Alexx Woods ( Khandi Alexander) a Miami Dade County Coroner who works alongside the Day Shift CSIs. He is a specialist in trace and impressions. Detective Timothy 'Tim' 'Speed' Speedle ( Rory Cochrane) a Senior Detective hired at the recommendation of Jesse Cardoza in the late '90s.He's a finger-print and drugs specialist who has recently completed his probationary patrol period. Detective Eric Delko ( Adam Rodriguez) the newest member of the CSI team, joining in early 2002.She's worked in the lab since 1997, also specializing in DNA recovery. Detective Calleigh Duquesne ( Emily Procter) a ballistics specialist and a founding member of Crime Scene Investigations.

She is Horatio's partner, though the two have a professional rivalry. Lieutenant Megan Donner ( Kim Delaney) the previous Director of the MDPD Crime Lab returning from six months' extended leave.He recently became Director of the MDPD Crime Lab, after several years as a Supervisor. Lieutenant Horatio 'H' Caine ( David Caruso) an explosives and armaments specialist who was fundamental in establishing CSI in 1997.

Csi miami season 5 episode 20 cast