4

Making his feature film debut in Blake Edwards' That's Life, Knepper's additional feature-film credits include Woody Allen's Everyone Says I Love You, D.O.A., Renegades, Young Guns II, Gas Food Lodging, Hostage and Good Night and Good Luck.

Knepper has also made numerous television guest appearances on series such as Law & Order, Law & Order: Criminal Intent, La Femme Nikita, New York Undercover, Star Trek: The Next Generation, Star Trek: Voyager, ER, L.A. Law, Profiler, South Beach, Murder, She Wrote, CSI: Miami and The West Wing.

(wikipedia.org)