He was best known for playing the former DNC chairman Barry Goodwin on the NBC television series The West Wing and for playing Dr. Donald Anspaugh on the NBC television series ER.
[3] He appeared in dramas by David Mamet, Arthur Miller and Tennessee Williams.
[1] Carol Flynt, co-producer of ER, first offered him an audition after seeing him in a 1996 production of Psychopathia Sexualis at the Mark Taper Forum in Los Angeles.
He appeared in numerous television shows, including Northern Exposure, 3rd Rock from the Sun, The West Wing, ER and Mad Men, among others.
He played Father Edward Devine in the 2020 sports drama movie The Way Back.