Prime Video’s “Countdown” with Merrick McCartha

By Tawala Sharp

July 2, 2025

Later, with Mo'Kelly
Later, with Mo'Kelly

ICYMI: Hour Two of ‘Later, with Mo’Kelly’ Presents – Actor Merrick McCartha; best known for his roles in series like the CW’s ‘All American’ and Netflix's Unstable, Merrick joins the program to introduce his new role as ‘Los Angeles District Attorney, Grayson Valwell’ in the hit new Prime Video series ‘Countdown’

(Video courtesy – YouTube)

Created, written, and produced by Derek Haas (Chicago Med, Chicago P.D.), and filmed entirely in Los Angeles at Sony Studios in Culver City; Countdown follows “the journey of an LAPD officer who joins a secret task force to investigate a suspicious murder but instead uncovers a sinister plot that requires the team to unite to save millions of people in the city.” Rounding out the cast alongside Merrick, Countdown also stars Jensen Ackles (Supernatural), Eric Dane (Grey’s Anatomy), Jessica Camacho (All Rise), Violett Beane (Drop), Uli Latukefu (Young Rock), Elliot Knight (The Boys), and more - on KFI AM 640…Live everywhere on the iHeartRadio app & YouTube @MrMoKelly

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