James Urbaniak

James Urbaniak (born on September 17, 1963) is an American actor. He is acclaimed for his performances in the films ' and ', and he voiced Dr. Venture in the series ' One of his first noteworthy roles was in the avant-garde playwright/director Richard Foreman's ', for which Urbaniak won an. He was also nominated for a Drama Desk Award for his role in .

In Adventure Time, he provided the voices of the Rat King and Leaf Beard in the episode "Little Brother."

James Urbaniak