Brian started his career in the New York theater scene, performing on Broadway in Neil Simon's Pulitzer Prize and Tony award-winning Lost in Yonkers and off-Broadway in Jules Feiffer's Elliot Loves, directed by the late Mike Nichols. Brian went on to work with Nichols in multiple films including, Wolf, Primary Colors, the Emmy award winning mini series Angels in America and Charlie Wilson's War. In 2016, Brian directed Haberdashery Theatre Company's The Motherfucker with the Hat at The Firehall Arts Centre in Vancouver, BC.
He has worked extensively with Woody Allen, appearing in Sweet and Lowdown, Small Time Crooks and The Curse of the Jade Scorpion. Other film credits include Godzilla, Shooter and Enemy of the State. Brian has over 150 television credits, including the critically acclaimed AMC series Mad Men, the award winning series Fargo, Girlfriend's Guide to Divorce, The Romeo Section, Continuum and the miniseries’ Unspeakable and Klondike. Brian was nominated for a Gemini award for his role as James Roszko in the film Mayerthorpe. Brian can currently be seen in the APTN series Tribal.