Started acting at age nine with a local children's theater troupe
Joined the University of Toronto's Hart House acting group at age 15
Formed a folk band called The Sugar Shoppe; made U.S. TV debut with group on "The Ed Sullivan Show" (CBS)
When The Sugar Shoppe disbanded, formed new band The Shop
Appeared in the Toronto production of "Godspell"
Made off-Broadway debut in revival of Ibsen's play "Ghosts"
Made feature film debut as Jesus in "Godspell"
Last film for 18 years, the Canadian-produced "Monkeys in the Attic"
Provided the voice of Christian in an animated version of "Cyrano de Bergerac" (ABC)
Made American TV debut in NBC "Hallmark Hall of Fame" production of "Valley Forge"
Returned to NYC in featured role of Moliere's "Tartuffe" at Circle in the Square; reprised role for the 1978 PBS adaptation
Played the male juvenile lead Anthony Hope in the Stephen Sondheim-Hugh Wheeler musical "Sweeney Todd"
Starred in the revival of the musical "Little Me"; picked up second Tony Award nomination
Made TV series debut in the ABC daytime drama "Ryan's Hope"
Featured in the Broadway farce "Noises Off"
Starred in short-lived series "I Had Three Wives" (CBS) as a private detective aided by a trio of his ex-wives
Won praise for his work in the off-Broadway play "Wencenslas Square"
Played the boss and one-time romantic interest of the title character (Blair Brown) in "The Days and Nights of Molly Dodd" (NBC, Lifetime)
Cast in the title role in "Liberace: Behind the Music" (CBS)
Received third Tony Award nomination for leading role in the Broadway comedy "Lend Me a Tenor"
Played John Wilkes Booth in controversial Stephen Sondheim-John Weidman off-Broadway musical "Assassins"
Appeared in the short film "Walking the Dog"
Played recurring role on the Canadian TV series "E.N.G."
Returned to feature films after an 18-year absence to play a drug dealer in "Light Sleeper"
Co-starred in the CBS miniseries "Queen"
Cast as the Devil in the Broadway revival of "Damn Yankees"; picked up fourth career Tony Award nomination
Re-teamed with Blair Brown in the Broadway staging of Tom Stoppard's play "Arcadia"
Cast as Sarah Polley's father in "Exotica"
Played Goldie Hawn's ex-husband in "The First Wives Club"
Portrayed the ship's designer in James Cameron's Oscar-winning blockbuster "Titanic"
Cast as the King in the ABC TV remake of "Rodgers and Hammerstein's Cinderella"
Returned to Broadway as co-star of "Art" alongside Alfred Molina and Alan Alda
Played Daddy Warbucks in the ABC remake of the Broadway musical "Annie"
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
Played one of the TV writers in "Neil Simon's Laughter on the 23rd Floor" (Showtime)
Featured as a law school professor in the hit comedy "Legally Blonde"
Appeared in the feature film "Tuck Everlasting"
Earned Emmy nomination for his guest starring role on "Will & Grace" (NBC)
Starred in the short-lived Fox legal drama "Justice"
Played the male lead in critically hailed Encores presentation of "Follies" with Donna Murphy
Joined cast of short-lived ABC series "Eli Stone"
Portrayed former San Francisco Mayor George Moscone in Gus Van Sant's biographical film "Milk"
Returned to Broadway for Roundabout Theatre Company¿s revival of Noel Coward¿s "Present Laughter"
Guest starred opposite Lisa Kudrow on Showtime's comedy series "Web Therapy"
Guest starred as Will Schuester's (played Matthew Morrison) father on Fox's "Glee"
Made cameo as a bank manager in Ben Affleck directed crime drama "The Town"
Portrayed HRH Prince Charles in "William & Catherine: A Royal Romance" (The Hallmark Channel)
Voiced Charlie on ABC's short-lived reboot of "Charlie's Angels"
Featured in the science fiction mystery "I'll Follow You Down"
Landed a recurring role as Dr. Martin Stein on the superhero series "The Flash"
Co-starred opposite Emily Blunt and Benicio Del Toro in "Sicario"