SPOILER ALERT: This interview contains spoilers from “Your People Are in Danger,” the Season 1 finale of “ Countdown ,” now streaming on Prime Video.

Over the course of the last three decades, Jensen Ackles has quietly built up one of the most notable TV careers of his generation. After breaking out as Eric Brady on the long-running NBC soap opera “Days of Our Lives” — which earned him three consecutive Daytime Emmy nominations — in the late ’90s, Ackles carved out a niche for playing tortured heartthrobs in all kinds of broadcast dramas: high-concept sci-fi (“Dark Angel”), teen (“Dawson’s Creek”), and superhero (“Smallville”). In 2005, he debuted as Dean Winchester, one-half of a dynamic duo of monster-hunting brothers, on The CW’s “Supernatural.”

Since saying goodbye to the long-

See Full Page