The Boys showrunner Eric Kripke has teased what to expect from Jeffrey Dean Morgan's mysterious new character, and his relationship with Karl Urban's potty-mouthed protagonist Billy Butcher.

The cast includes Sari Arambulo (A.P. Bio), Molly Brown (Lost Girls), Eddie Leavy (Bella and the Bulldongs), Jeffrey Dean Morgan (The Walking Dead), and Billy Burke (The Twilight Saga).