Peter Bonerz is an American actor and director who is best known for his role as Dr. Jerry Robinson on The Bob Newhart Show. Born in Portsmouth, New Hampshire, Bonerz grew up in Milwaukee, Wisconsin, where he attended Marquette University High School, gaining his first theatrical experience with the Prep Players under rigid conditions. At Marquette University he participated in the Marquette University Players under the Reverend John J. Walsh, S.J. After graduating with a bachelor of science degree in 1960, he decided to seek a career in theater, beginning with The Premise, an improv group in New York City. After compulsory service as a draftee in the United States Army, he joined The Committee, an improv troupe in San Francisco, California. His first network television appearance was in 1965 on The Addams Family in the Season Two episode "Morticia, The Writer". He had several more TV appearances in the late 1960s and also had a number of roles in several films, including Medium Cool and Catch-22, the latter of which also included his future co-star Bob Newhart.