Young Dexter Morgan will experience a “defining moment” during the season finale of Dexter: Original Sin, teases Patrick Gibson, adding that “something will shape him into the Dexter that fans know.” The Irish actor plays the titular character in the prequel series.

A working actor with a celebrity sibling, Carlo Mendez scores with a chilling portrait of a cartel boss in the Paramount+ prequel series, “Dexter: Original Sin.”

Original Sin charts Dexter's early years, but it also features his brother, and the future Ice Truck Killer, which could lead to a future spin-off.