- Served in the U.S. Army in Vietnam after graduating college.
- Was a non-celebrity competitor on The $10,000 Pyramid in 1974 and, after he became a star, appeared on the show a number of times.
- In 1990, made his Broadway-musical debut in City of Angels.
- Played Jeeves in the 1996 American premiere of the Andrew Lloyd Webber musical By Jeeves.
- Played the Wizard of Oz in a national tour of Wicked (2010).
- Runs the Richard Kline Acting Workshop.
- Has toured and made public appearances with his Three's Company costars Joyce DeWitt and Priscilla Barnes.