Overview
When an officer with the Department of Homeland Security is murdered in broad daylight, LAPD detective Mark Meachum is recruited to a secret task force, alongside undercover agents from all branches of law enforcement, to investigate. But the hunt for the killer soon uncovers a plot far more sinister than anyone could have imagined, kicking off a race against time to save a city of millions.
Seasons & Episodes
Season 1
Key Information
Watch Trailer
Cast & Crew
Jensen Ackles
Mark Meachum
Jessica Camacho
Amber Oliveras
Eric Dane
Nathan Blythe
Violett Beane
Evan Shepherd
Uli Latukefu
Lucas Finau
Elliot Knight
Keyonte Bell
Bogdan Yasinski
Borys Volchek
Merrick McCartha
District Attorney Grayson Valwell
Rachel Lee Armstrong
Heather
Jonathan von Mering
Andrej
Jonathan Togo
Damon Drew
Pasha D. Lychnikoff
Iosif Astapov
Photos
Frequently Asked Questions
When an officer with the Department of Homeland Security is murdered in broad daylight, LAPD detective Mark Meachum is recruited to a secret task force, alongside undercover agents from all...
Countdown has 1 season with 13 episodes.
Countdown premiered on June 25, 2025.
No, Countdown has ended. The final episode aired on September 3, 2025.
Countdown originally aired on Prime Video. Check your local streaming services for availability.
Countdown was created by Derek Haas.
Countdown has a rating of 7.3/10 based on user reviews.
Countdown is classified as Crime, Mystery.