Sort of, he’s in the film because he was a member of The Committee ,
… In the late 60s, The Committee was again asked to form another company to perform in Los Angeles. Peter Bonerz, Mel Stewart, Barbara Bosson, Jessica Myerson, Richard Stahl, Kathryn Ish, Garry Goodrow, Howard Hesseman, Carl Gottlieb, Chris Ross and Rob Reiner were the stalwarts in LA. The revolving group of players presented satirical political comedy in San Francisco until 1972. Other famous alumni include improv guru Del Close, Howard Hesseman who later went on to play Dr Johnny Fever on the television sitcom WKRP in Cincinnati, and Peter Bonerz, later to play orthodontist Jerry Robinson on The Bob Newhart Show, before becoming a director. Barbara Bosson later married Steven Bochco and also was a regular on NYPD Blues. Leigh French became a regular on The Smothers Brothers and later established her own sound company. Carl Gottlieb wrote Jaws.
The Committee performed thirteen shows a week and was dark on Mondays. In San Francisco, it was always a Monday when they let other groups use the space. In this way, The Committee hosted an early performance of The Warlocks before they became the Grateful Dead …
The late Richard Stahl played the town council chairman , Jessica Myerson an unnamed role .
CMC fnord!
Can I put in a band instead of an actor? Many many moons ago, a little British group with the funny name “Police” played in a small club downtown. They were great and they got excellent reviews. In the blink of an eye, a few moons later, they were selling out the Carrier Dome in the same city.
May or may not count, but Jimmy Kimmel as the sidekick on Win Ben Stein’s Money.