Prime Video is bringing a high-octane summer blockbuster to the small screen. In "Countdown," undercover agents from all branches of law enforcement team up for a secret task force to investigate the murder of an officer with the Department of Homeland Security in broad daylight. The six core cast members are: - Jensen Ackles ("Supernatural," "The Boys") as Mark Meachum - Eric Dane ("Grey's Anatomy," "Euphoria") as Nathan Blythe - Jessica Camacho ("All Rise," "Taken") as Amber Oliveras - Violett Beane ("Death and Other Details," "The Flash") as Evan Shepherd - Uli Latukefu ("Young Rock," "Marco Polo") as Keyonte Bell - Elliot Knight ("The Boys," "Life Sentence") as Lucas Finau The first three episodes of "Countdown" are released Wednesday, June 25 on Prime Video, followed by one episode each Wednesday through Sept. 3. MORE: https://www.wthr.com/article/entertainment/in-the-spotlight/countdown-interview-jensen-ackles-eric-dane-jessica-camacho-violett-beane-elliot-knight-uli-latukefu-prime-video-crime-thriller-tv-series/531-60b38ffa-216f-4537-88c9-47415751778a