TV Countdown Countdown 7.368/10 by 53 users 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. Details Casts Posters Images Title Countdown Alternative Titles Countdown: เคาท์ดาวน์ ขีดเส้นตายสู่หายนะ First Air Date 2025-06-25 Last Air Date 2025-08-06 Number of Episodes 13 Number of Seasons 1 Genres Drama, Crime, Mystery, Networks Prime Video, Casts Jensen Ackles, Jessica Camacho, Eric Dane, Violett Beane, Uli Latukefu, Elliot Knight Plot Keywords sheriff, gang, Mark Meachum Jensen Ackles Amber Oliveras Jessica Camacho Nathan Blythe Eric Dane Evan Shepherd Violett Beane Lucas Finau Uli Latukefu Keyonte Bell Elliot Knight