- 2008: Portrayed former San Francisco Mayor George Moscone in Gus Van Sant's biographical film "Milk"
- 2008: Cast in the short-lived ABC series "Eli Stone"
- 2007: Played the male lead in a critically hailed Encores presentation of "Follies," with Donna Murphy
- 2006: Starred in the short-lived FOX legal drama "Justice"
- 2004: Earned an Emmy nomination for his guest-starring role on "Will & Grace"
- 2002: Appeared in the feature film "Tuck Everlasting"
- 2001: Cast as Sid Luft to Judy Davis' Judy Garland in in the ABC miniseries "Life with Judy Garland: Me and My Shadows"; earned Emmy nomination
- 2001: Played one of the TV writers in "Neil Simon's Laughter on the 23rd Floor" (Showtime)
- 2001: Portrayed Jack Bristow on the ABC spy series "Alias"; earned three consecutive Emmy nominations for Supporting Actor from 2002-2004
- 2001: Was featured as a law school professor in the hit film comedy "Legally Blonde"
- 2000: Guest-starred as the Crane's temporary butler on an episode of "Frasier"; received Emmy nomination
- 1999: Played Daddy Warbucks in the ABC remake of the Broadway musical "Annie"
- 1998: Returned to Broadway as co-star of "Art," alongside Alfred Molina and Alan Alda
- 1997: Cast as the King in the ABC TV remake of "Rodgers and Hammerstein's Cinderella"
- 1997: Portrayed the ship's designer in James Cameron's Oscar-winning blockbuster "Titanic"
- 1996: Played Goldie Hawn's ex-husband in "The First Wives Club"
- 1995: Cast as Sarah Polley's father in "Exotica"
- 1995: Re-teamed with Blair Brown in the Broadway staging of Tom Stoppard's play "Arcadia"
- 1994: Cast as the Devil in the Broadway revival of "Damn Yankees"; picked up fourth career Tony Award nomination
- 1993: Co-starred in the CBS miniseries "Queen"
- 1992: Returned to feature films after an 18-year absence to play a drug dealer in "Light Sleeper"
- 1991: Appeared in the short film "Walking the Dog"
- 1991: Played recurring role on the Canadian TV series "E.N.G."
- 1990: Appeared in the controversial Stephen Sondheim-John Weidman Off-Broadway musical "Assassins"; played John Wilkes Booth
- 1989: Received third Tony Award nomination for leading role in the Broadway comedy "Lend Me a Tenor"
- 1988: Cast in the title role in "Liberace: Behind the Music" (CBS)
- 1987: Won praise for his work in the Off-Broadway play "Wencenslas Square"
- 1987: Played the boss and one-time romantic interest of the title character (Blair Brown) in "The Days and Nights of Molly Dodd" (NBC, Lifetime)
- 1985: Starred in short-lived series "I Had Three Wives" (CBS) as a private detective aided by a trio of his ex-wives
- 1983: Had featured role in the Broadway farce "Noises Off"
- 1983: Made TV series debut in the ABC daytime drama "Ryan's Hope"
- 1982: Starred in the revival of the musical "Little Me"; picked up second Tony Award nomination
- 1979: Played the male juvenile lead, Anthony Hope, in the Stephen Sondheim-Hugh Wheeler musical "Sweeney Todd"
- 1978: Had featured role of playwright Clifford Anderson on Broadway in "Deathtrap"; received first Tony Award nomination
- 1977: Returned to NYC in featured role of Moliere's "Tartuffe" at Circle in the Square; reprised role for the 1978 PBS adaptation
- 1975: Made American TV debut in the NBC "Hallmark Hall of Fame" production of "Valley Forge"
- 1974: Provided the voice of Christian in an animated version of "Cyrano de Bergerac" (ABC)
- 1974: Last film for 18 years, the Canadian-produced "Monkeys in the Attic"
- 1973: Made Off-Broadway debut in revival of Ibsen's play "Ghosts"
- 1973: Feature film debut as Jesus in "Godspell"
- 1972: Appeared in the Toronto production of "Godspell"
- 1968: Formed a folk band called, The Sugar Shoppe; made US TV debut with the group on "The Ed Sullivan Show" (CBS)
- 1964: Joined the University of Toronto's Hart House acting group at age 15
- 1958: Started acting at age nine with a local children's theater troupe
- When The Sugar Shoppe disbanded, formed new band, The Shop




