While a college student, enrolled in a Second City workshop in Chicago

Eventually replaced John Belushi in the Second City company that included Gilda Radner, Harold Ramis and Bill Murray

First collaboration with David Mamet, appeared in original Chicago stage production of "Sexual Pervisity in Chicago"

Moved to New York City

Debuted on TV playing a recurring role on the ABC soap "Ryan's Hope"

Appeared in the Broadway production of Michael Cristofer's "The Shadow Box"

Made feature debut in Paul Mazursky's "An Unmarried Woman"

Played a bit part in Woody Allen's "Manhattan"

TV-movie debut, "Sanctuary of Fear/Girl in the Park" (NBC)

Appeared opposite Gilda Radner in the Broadway production of "Lunch Hour"; directed by Mike Nichols

Cast in the short-lived NBC series, "Sara," starring Geena Davis in the title role

Starred as a conservative TV preacher in "Hellfire" (syndicated)

Played the title role in the ABC spoof series "Sledge Hammer!"

Featured in the Oscar-winning short, "Ray's Male Heterosexual Dance Hall"

Replaced Ron Silver in David Mamet's "Speed-the-Plow" on Broadway

Joined the cast of the NBC sitcom "Nurses" as Jack Trenton

Produced first play "Jackie" in Los Angeles

Co-starred on the short-lived CBS sitcom "High Society"

Returned to the NY stage in Mamet's revival of "Edmond"

Played Bette Midler's second husband in "That Old Feeling"

Cast in several episodes of "Suddenly Susan" (NBC)

Played Ashley Judd's father in "Divine Secrets of the Ya-Ya Sisterhood"

Played the President in "The Sentinel," starring Michael Douglas and Kiefer Sutherland

Portrayed the late Donald Greene, one of the heroic passengers of doomed flight 93, in Paul Greengrass' "United 93"

Played the role of Robert Gardner on the ABC soap "All My Children"

Played a CIA officer in the Coen brothers' "Burn After Reading"

Starred in the Broadway adaptation of "To Be or Not to Be"; production closed after two months

Joined the cast of ABC's "Ugly Betty" as recurring character, Cal Hartley

Played a State Department bigwig in the political satire "In the Loop"