Paul Kreppel is one of those actors known, if at all, for only one role, that of the wisecracking piano player in the surprisingly long-running eighties sitcom It's a Living. (He later appeared as Jackie's dad a few times on That 70s Show.) On the strength of that earlier role, he ended up participating on some game shows of the late eighties, including Liars Club and Relatively Speaking.
So where is he now? At this second, he's probably resting in an East Lansing hotel room. Kreppel is with a touring company of Wicked playing The Wonderful Wizard of Oz. I know this is hardly earth-shattering news, but by the time these tours get to East Lansing, they've long since shed any "name" actors and it's incredibly rare that I recognize anyone in the cast, much less somebody with a few game show credits. A little checking shows that he actually has a Tony Award for producing ventriloquist Jay Johnson's one-man show in 2007.
Carry on.