NCIS: Sydney S3E18 “Rough Diamond” Cast, Plot, New Tonight May 5 2026
On Tuesday May 5 2026, CBS broadcasts NCIS: Sydney!
Rough Diamond Season 3 Episode 18 Episode Summary
The upcoming episode of “NCIS: Sydney,” titled “Rough Diamond,” promises to be an exciting addition to the series. Set to air on CBS, this episode dives deep into a complex case that begins with the mysterious death of a former Marine. The Marine, who was already wanted for murder, becomes the focal point of an investigation that quickly reveals a web of deceit and danger.
As the team investigates, they uncover a sinister plot that ties together a disgraced journalist and one of Australia’s richest men. This unexpected connection raises questions about power, money, and the lengths people will go to protect their interests. The storyline hints at a thrilling exploration of how greed can lead to deadly consequences.
In addition to the intriguing characters, the episode also brings in the modern twist of lab-grown diamonds. This element adds a contemporary layer to the narrative, highlighting issues of ethics and authenticity in a world where appearances can be deceiving. The team will need to navigate these complexities as they work to solve the case and bring justice to light.
“Rough Diamond” is shaping up to be a gripping episode that combines action, mystery, and social commentary. Fans of “NCIS: Sydney” can look forward to a rollercoaster of emotions as the team unravels the truth behind the Marine’s death and the dark connections that follow. With unexpected turns and compelling storylines, this episode is sure to keep viewers on the edge of their seats.
What Time is the “Rough Diamond” Episode On?
The Rough Diamond episode of NCIS: Sydney will be broadcast on May 5 2026 on CBS at 10:00 PM at ET/PT.
Is the “Rough Diamond” Episode New?
The Rough Diamond episode of NCIS: Sydney is all new!
NCIS: Sydney Rough Diamond Cast & Stars
- Todd Lasance as Detective/Chief Petty Officer Jack Sloane
- Emily Weir as Dr. Lynda Dawson
- Callan Mulvey as Sam Hanna
- Rachael Carpani as Erin Wright
- Devere Rogers as Zack Cadby
- Sean Scully as Detective Jim Breen
- Christopher Sean as Owen Elias
- Brandon McGregor as Jett
- Sacha Horler as Alex
- Hugh Sheridan as Gideon
- Nikki Jamieson as Jade
- Lynette Curran as Margaret
- Geno Segers as Marek
- Harrison Gilbertson as Mason
Rough Diamond Episode Videos & Previews
Watch NCIS: Sydney Rough Diamond Online
Watch NCIS: Sydney on CBSNCIS: Sydney Series Information
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