Dash Mihok

Dashiell Raymond Dash Mihok is an American actor best known for playing Bunchy Donovan in the Showtime drama Ray Donovan.

Mihok was born in New York City, New York, the son of actors Andrea Mihok and Raymond Thorne . He has two older sisters Gwen Mihok, an actress, and Cecily Trenka, a science teacher. He is of part Czech descent.

Source: Wikipedia