<Li> Elliot "Grotto" Grote (portrayed by McCaleb Burnett): A survivor of a Punisher attack seeking witness protection . Castle murders him when Murdock refuses to . </Li> <Li> Jerry (portrayed by Ray Ianicelli): A war veteran . </Li> <Li> Finn Cooley (portrayed by Tony Curran): An Irish mobster whose son is killed by the Punisher . Curran also portrays Bor in the Marvel Cinematic Universe films . </Li> <Li> Thompson (portrayed by Katt Masterson): Mahoney's partner when he is promoted to Detective Sergeant . </Li>

What is the main character's name in significant other