- Parents—his father was a concert pianist, his mother an opera singer—moved to San Francisco from Germany when he was 2.
- Began studying ballet and jazz dancing before his teens, and became interested in acting in high school.
- While choreographing Jack Heifner's Vanities at the Actors Theater in Louisville in 1976, met his wife, Dawn Didawick, who was starring in the play.
- Earned a Tony nomination in his Broadway debut as Will Parker in a 1979 revival of Rodgers and Hammerstein's Oklahoma!
- Originated the Broadway roles of Munkustrap in Andrew Lloyd Webber's Cats in 1982, and Bobby Child in the "new Gershwin musical" Crazy for You in 1992, which earned his second and third Tony nominations, respectively.
- Other accolades include a Los Angeles Drama Critics Circle Award for playing the title role in a 2010 production of King Lear and a 2011 Joseph Jefferson Award (the Jeffs) as the star of Alan Bennett's The Madness of George III in Chicago.
- 1992, Tony — Actor (Musical): Nominee
- 1980, Tony — Actor (Featured Role--Musical): Nominee
- 1983, Tony — Actor (Featured Role--Musical): Nominee
- Johann Groener — Father
- Dawn Didawick — Wife
- Iris Groener — Mother
- University of Washington, Seattle, WA (1976)
Season 6, Episode 19
- Birth Place: Augsburg, Bavaria, West Germany
- Birthday: September 10, 1951, Virgo
- Profession: Actor, Dancer, Singer