Agent Mark Ellenberg is a real person portrayed by Brett Gentile in the TV series Black Bird (based on a true story).
In the first episode they appeared in, titled We Are Coming, Father Abraham (season 1), they were 48 years old.
They appear in 1 episodes out of a total of 6 aired
Episodes1
We Are Coming, Father Abraham
episode S1.E2 july 2022Agent McCauley prepares Jimmy for the mission. Detective Miller questions Larry about the missing women, leading to a polygraph test.