The franchise airs three fresh episodes this week.

On Monday at 10:00pm ET/PT, CSI: Miami investigates a case that hits close to home for one member of the team in "The DeLuca Motel":

When a shooter targets the motel where Delko is staying, Horatio must look into Delko's past to find the killer.

Gina Lamar has directed six previous episodes of Miami, including "Raging Cannibal" from earlier this season. Sunil Nayar, one of Miami's executive producers, wrote "The DeLuca Motel". Nayar has 20 writing credits for the show, most recently for "Down to the Wire".

The following actors will guest-star in this episode:

• Kayla Mae Maloney as Linda Bowen
• Matt Funke as Neil Scofield
• J.R. May as Seth Copeland
• Corin Nemec as Carl Reston
• Nicki Aycox as Molly Reston
• Jordi Vilasuso as Enrico Moldano
• Raya Meddine as Kate Hawkes
• Adriana Barraza as Carmen Delko
• Isabella Hofmann as Dorothy Frost
• Anthony Nacarato as Bartender
• Katie Gill as Sheila
• Ryan Caltagirone as Man

Kayla Mae Maloney appeared in two episodes of CSI: Crime Scene Investigation, "Meet Market" and "Law of Gravity". Matt Funke was in the CSI episode "Gum Drops". Nicki Aycox played the first Ellie Brass in "Ellie" during CSI's second season. Katie Gill has appeared on both CSI ("Up in Smoke") and CSI: New York ("People With Money"). Corin Nemec was on CSI: NY during the show's first season, guest-starring in "Night, Mother". Anthony Nacarato was in the New York episode "Enough" earlier this season.

CSI: New York will air "The Triangle" on Wednesday at 10:00pm ET/PT, and strange things seem to be happening in the Big Apple:

The CSIs are forced to investigate two crimes at once when a mysterious energy field near The Empire State Building appears to be the cause of both a billionaire's disappearance and his limo driver's death.

Jeff Thomas directed "Wasted" during CSI: NY's second season. Supervising producer Trey Callaway has written four previous episodes of the show, including "Page Turner" from earlier this season. (Callaway also appears in "The Triangle" as a disgruntled man.)

"The Triangle" will feature the following guest-stars:

• Chris Mulkey as Bernie Benton
• Brian Gross as Greg Hufheinz
• Anastasia Ganias as Jamie Sunderland
• Neil Hopkins as Yert Yawallac
• Leith Burke as FBI Agent Washington
• Parisa Fakhri as Uni
• Chris Hartl as Newstand Owner
• Brian Oblak as FBI Agent Walsh
• Shawn Nash as Carl Custer

Chris Mulkey has appeared on both CSI: Miami ("Forced Entry") and CSI ("Feeling the Heat"). Brian Gross ("Spring Break") and Anastasia Ganias ("Won't Get Fueled Again") also appeared on Miami. Neil Hopkins was in the CSI episode "4 x 4".

There's a new face in town on CSI: Crime Scene Investigation Thursday at 9:00pm ET/PT in "19 Down...":

When a new murder leads to a connection with an infamous serial killer, Grissom secretly joins the class of well-known criminal pathologist Dr. Raymond Langston (Fishburne), to gain access to the killer and get a crack in the case.

Kenneth Fink has 47 directing credits for CSI, including "Leave Out All the Rest" from earlier this season. Executive producers Naren Shankar and Carol Mendelsohn co-wrote "19 Down". Shankar has 37 scripts under his belt for the show, including "Woulda, Coulda, Shoulda". Mendelsohn has penned 46 episodes of the show, including the emotional season premiere, "For Warrick".

The following guest-stars will appear in the episode:

• Marc Vann as Conrad Ecklie
• Archie Kao as Archie Johnson
• Alex Carter as Det. Vartann
• Sheeri Rappaport as Mandy Webster
• Bill Irwin as Nathan Haskell
• Brad Carter as Gerald Tolliver
• Amy Aquino as ADA Valerie Nichols
• Shane Woodson as Overcoat Man
• Larry Sullivan as Officer Akers
• Maury Sterling as Det. Ken Martz
• Richard Gilliland as Mr. Steiner
• Caroline Aaron as Mrs. Steiner
• Jimmi Simpson as Thomas
• Aimee DeShayes as Silvia
• David H. Lawrence XVII as Car Wash Manager
• Stephen Sowan as Richie
• Todd Giebenhain as Donny
• Roy Vongtama as Student #1
• Matt O'Leary as Dan Forester
• Mimi Michaels as Tiffany Cohen
• Josh Jacobson as Joel Steiner

Marc Vann, Archie Kao, Alex Carter and Sheeri Rappaport are reprising established recurring roles. Larry Sullivan returns as Officer Akers. Amy Aquino has played ADA Valerie Nichols in two previous episodes of CSI, "Post Mortem" and "Woulda, Coulda, Shoulda". Maury Sterling played a different character in a season three episode of CSI, "Random Acts of Violence", and he was also in the Miami episode "Throwing Heat". Todd Giebenhain also played a different character in a previous episode of CSI: he was an usher in "A Night at the Movies". Josh Jacobson has been on both CSI ("Play With Fire") and Miami ("Skeletons"). Stephen Sowan appeared in the New York episode "Sex, Lies and Silicone" earlier this season.

"The DeLuca Motel", "The Triangle" and "19 Down..." begin airing December 8 on CBS.

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