Harelik has appeared in the films Election, Jurassic Park III, Eulogy, For Your Consideration, and 42. For animation; he was the voice of Queen Uberta’s valet, Lord Rogers, in The Swan Princess. Harelik has played parts on the television series Seinfeld, Numbers, Wings, Grace Under Fire, Will & Grace, NCIS, Boy Meets World, Breaking Bad, Bones, Six Feet Under and five episodes of the first season of The Big Bang Theory as Dr. Eric Gablehauser.