'Dissolved', 'Grounds For Deception', 'All In' & 'Pay Up' Official Details

It's a busy week for the CSI franchise with four new episodes on the schedule, including two season finales.

Monday at 10:00pm ET/PT, CSI: Miami starts the week with a big reveal in "Dissolved":

The CSIs investigate the case of a man boiled alive, Julia spirals out of control, and one of the team's darkest secrets comes to light.

Matt Earl Beesley has directed eight previous episodes of Miami, including "And They're Offed" from earlier this season. Corey Miller has 22 writing credits for the show, most recently for "Dead on Arrival". Miller co-wrote "Dissolved" with Matt Partney, who has written seven episodes (including "Divorce Party").

The following guest stars will appear in the episode:

• Elizabeth Berkley as Julia Winston
• Kim Coates as Ron Saris
• David Lee Smith as Rick Stetler
• Christopher Redman as Michael Travers
• Theo Rossi as Jimmy Castigan
• Walton Goggins as Sean Echols
• Laura Allen as Sondra Moore
• Brian Avery as Bill Moore
• Jeff Fahey as Allen Pierce
• Karen Austin as Judge Stets
• Kevin Thoms as Pete Bishop
• J. Anthony Pena as Carlos
• Kym Stys as Rebecca Barnett
• McKay Stewart as Walter Barnett
• Justin Wilczynski as Skater

Elizabeth Berkley is back as Julia Winston, and Kim Coates reprises his role as Ron Saris. David Lee Smith and Christopher Redman are returning as established recurring characters. Karen Austin appeared in "Sink or Swim" earlier this season. Walton Goggins was in the CSI: Crime Scene Investigation episode "Empty Eyes". The other actors are new to the franchise.

CSI: New York airs the first of two new episodes this week on Wednesday at 10:00pm ET/PT. One CSI follows the clues across the globe in "Grounds for Deception":

When Stella discovers that New Yorkers are being murdered over ancient Greek artifacts, she hands over her badge to follow a clue that leads to Greece and, together with Mac, she uncovers one of the greatest mysteries in history.

The episode was directed by Duane Clark, who has helmed four previous episodes of the series. His most recent turn in the director's chair was for the season three finale, "Snow Day". "Grounds for Deception" was the first episode penned by series star Melina Kanakaredes (Stella Bonasera).

The following actors and actresses will appear in guest-starring roles:

• Sofya Skya as Olympia
• Bettis Richardson as Danaus
• Paul Papadakis as Geroge Kolovos
• Tony Amendola as Professor P
• George Tasudis as Tasso Papakota
• Georgia Hatzis as Areti Moungri
• Louis Mandylor as Det. Christos Temmas
• Brenna Radding as Young Stella

Paul Papadakis was last seen in "Point of No Return", and Tony Amendola most recently appeared in "Prey". Brenna Radding played an eight year old Stella in "Cold Reveal". Louis Mandylor appeared in the Miami episode "Crime Wave".

CSI: Crime Scene Investigation finishes its ninth season this week. The finale, "All In", airs Thursday at 9:00pm ET/PT:

A cache of missing chips from a closed down casino turn up in Vegas and a string of murders follow, leading Langston to use deadly force for the first time in his career as a CSI.

Paris Barclay has directed two episodes of CSI, including "You Kill Me". The story for "All In" was written by executive producer Naren Shankar and Phillip Schenkler. Shankar has 40 episodes under his belt (including "A Space Oddity"), and this is Schenkler's first credit for the series. Evan Dunsky and Richard Catalani wrote the teleplay for "All In". Dunsky has written seven episodes, including "The Descent of Man". Catalani penned 16 previous episodes, most recently "Miscarriage of Justice".

"All In" will feature the following guest stars:

• Cynthia Watros as Barbie Aubrey
• Gerald McRaney as Eli Schindler
• Marc Vann as Conrad Ecklie
• Sheeri Rappaport as Mandy Webster
• Mark Pellegrino as Bruno Curtis
• Brian Oerly as Huston Dobbs
• Andrew Rothenberg as Walter Ellis
• Peter Breitmayer as Clayton Ferris
• Wayne Wilderson as Paramedic
• Shelli Bergh as Nurse Belinda
• Carlos Moreno Jr. as Landscaper
• Dusty Sorg as Counter Boy
• Larry Udy as Patron #1
• Conny Van Dyke as Patron #2
• Paula Francis as Paula Francis

Marc Vann and Sheeri Rappaport are reprising established recurring roles. Peter Breitmayer was in "Ch-Ch-Changes" during season five. Mark Pellegrino has appeared in CSI before (in "Gum Drops"), as well as Miami ("Hurricane Anthony"). Wayne Wilderson was in five episodes of CSI as a paramedic (most recently "Bodies in Motion"), and he was also in the Miami episode "Nailed". Shelli Bergh appeared in two CSI episodes ("$35K OBO" and "The Good, the Bad and the Dominatrix"), and she played Paula Muro in 12 episodes of Miami, including "Double Jeopardy". News anchor Paula Francis is appearing as herself for the nineteenth time on CSI. Her most recent appearance was in "Disarmed and Dangerous".

The season finale of CSI: NY airs at a special night and time, Thursday at 10:00pm ET/PT. The team loses one of their own in "Pay Up":

When transferring Robert Dunbrook's son from prison to court, the NYPD is ambushed by a group of professional kidnappers who kill a member of the team and one of the CSI's lives hangs in the balance.

Rob Bailey has directed 25 previous episodes of New York, including "Point of No Return". The story for "Pay Up" was written by executive producer Peter Lenkov, who has 17 writing credits for the show (including "Yahrzeit"). Zachary Reiter and John Dove wrote the teleplay. Reiter has written 17 previous episodes, most recently "Green Piece". This is the eighth time Dove has penned an episode of CSI: NY. His previous credits include "She's Not There" from earlier this season.

These guest stars will appear in the New York finale:

• Emmanuelle Vaugier as Det Jessica Angell
• Craig T. Nelson as Robert Dunbrook
• Thad Luckinbill as Connor Dunbrook
• Nelly as Terrence Davis
• Erika Ringor as ER Doctor
• Jonathan Kowalsky as Sniper
• Glenn Herman as Simon Cade
• James Martin Kelly as Cliff Angell
• Andy Davoli as Crazy Tony Tardalla

Emmanuelle Vaugier returns as Detective Jessica Angell. Craig T. Nelson and Thad Luckinbill were last seen in "The Past, Present and Murder". Rapper Nelly is reprising his role as confidential informant Terrence Davis ("My Name is Mac Taylor"). Andy Davoli appeared in the Miami episode "Identity".

"Dissolved", "Grounds for Deception", "All In" and "Pay Up" begin airing May 11 on CBS.

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