Bryan Cranston played Dr. Tim Whatley on a NBC comedy series.
Bryan Cranston . He is best known for portraying Walter White on the AMC crime drama series Breaking Bad , Hal on the Fox comedy series Malcolm in the Middle , and Dr. Tim Whatley in five episodes of the NBC comedy series Seinfeld . Seinfeld is an American sitcom that originally ran for nine seasons on NBC , from 1989 to 1998 .