James Urbaniak

James Christian Urbaniak (born September 17, 1963) is an American character actor known for his roles in various films and television shows. He gained recognition for his performances as Simon Grim in Hal Hartley's Henry Fool film trilogy, as Robert Crumb in American Splendor, and as Dr. Thaddeus 'Rusty' Venture in the animated series The Venture Bros. Urbaniak also portrayed Grant Grunderschmidt on Review and Arthur Tack on Difficult People. Born in Bayonne, New Jersey, he currently resides in Los Angeles, California. Urbaniak's first media appearance was on Late Night with David Letterman in 1983, where he improvised a monologue joke. He has received critical acclaim for his work in avant-garde theater and has won an Obie award for his role in Richard Foreman's The Universe.