Film acting debut "Targets"
Played one of Cybill Shepherd's suitor's in "The Last Picture Show"
TV acting debut, "Getting Away From It All" (ABC)
Earned an Oscar nomination for his role as the dumb sailor tutored in the ways of the world by Jack Nicholson in "The Last Detail"
Had a supporting role in "Midnight Express"
First role in a TV miniseries, "Guyana Tragedy: The Story of Jim Jones" (CBS)
Was featured with brother Dennis in Walter Hill's Western, "The Long Riders"
Offered a fine comic turn as Cousin Eddie in "National Lampoon's Vacation"
Appeared Off-Broadway with brother Dennis in Sam Shepard's "True West"
Earned an Emmy nomination for his role as Harold 'Mitch' Mitchell in the CBS remake of "A Streetcar Named Desire"
Joined one season of NBC's "Saturday Night Live" as a regular cast member
Earned an Emmy nomination for portraying Lyndon Johnson in the TV biography "LBJ: The Early Years" (NBC)
Reprised role of Cousin Eddie in "National Lampoon's Christmas Vacation"
Reprised his "Last Picture Show" role in the sequel, "Texasville"
First starring role in a TV series, "Davis Rules" (ABC, 1991; CBS, 1992)
Co-starred in Ron Howard's "The Paper"
Delivered memorable turn as a crop duster who aids in the fight against invading aliens in "Independence Day"
Played the lovable Amish bowler Ishmael in "Kingpin," alongside Woody Harrelson
Reprised his role as Cousin Eddie in "Vegas Vacation"
Played a serial killer in "Last Rites"
Had a supporting role in the action film, "Hard Rain"
Played a loser father in "Not Another Teen Movie"
Starred in the short-lived series, "The Brotherhood of Poland, New Hampshire" (CBS)
Appeared on stage playing the starring role of Frank in Sam Shepard's "The God of Hell"
Earned Emmy and Golden Globe nominations portraying 'Colonel' Tom Parker in the CBS' minseries, "Elvis"
Cast opposite John Cusack in the "Ice Harvest," a dark comedy directed by Harold Ramis
Cast in the Ang Lee Western, "Brokeback Mountain," opposite Jake Gyllenhaal and Heath Ledger
Portayed King Carlos the IV in Miles Forman's "Goya's Ghosts"
Starred in the comedy, "Ball's Out: The Gary Houseman Story," alongside Seann William Scott