

1 seasonTV-MAPrime VideoCanceled
Every second counts.
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.
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1 season · 13 episodes
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Jensen AcklesMark Meachum
Jessica CamachoAmber Oliveras
Eric DaneNathan Blythe
Violett BeaneEvan Shepherd
Uli LatukefuLucas Finau
Elliot KnightKeyonte BellAvailability for Countdown by JustWatch, via TMDB. All options
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