One of the characters who has provoked interest is Arkady Kolcheck, played by Vyto Ruginis. The retired Russian operative has been on the show since season 1.
He is portrayed as a character who does not know his daughter Anastasia very well, and a friend of Callen.
Although he believes himself to be a great help to the NCIS team, it is a usual occurrence for him to bring trouble wherever he goes.
He serves as a confidant for Callen, as well as a source of information to NCIS, with his daughter being a former detective with the Chicago Police Department.
Vyto Ruginis is an actor who was born in Wolverhampton, United Kingdom. 64 years of age, he is known for his appearances in The Glass House, Miracle, Last Gasp and Kane & Abel.