One of his best known roles has come starring as Bunchy Donovan on the television series Ray Donovan starting in 2013. As of this writing he has appeared in 66 episodes of the Showtime series. He has also appeared in several films including Sleepers, Romeo + Juliet, The Thin Red Line, The Perfect Storm, The Guru, Connie and Carla, The Day After Tomorrow, Kiss Kiss Bang Bang, I Am Legend, Punisher: War Zone, Silver Linings Playbook, and more. Dash Mihok won a Satellite Award for Outstanding Motion Picture Ensemble for The Thin Red Line in 1999.