Bob Newhart Dick Loudon Actor Mary Frann Joanna Loudon Actor Tom Poston George Utley Actor Julia Duffy Stephanie Vanderkellen Actor Peter Scolari Michael Harris Actor William Sanderson Larry Actor Linda Carlson Actor Tony Papenfuss First Darryl Actor John Hammil Guest Star John Voldstad Second Darryl Actor Charlotte Blunt Guest Star Fred Applegate J.J. Actor Ralph Manza Bud Actor José Ferrer Guest Star Thomas Hill Jim Dixon Actor Jean Bruce Scott Guest Star Priscilla Morrill Guest Star William Lanteau Chester Wanamaker Actor Todd Susman Constable Shifflett Actor Jeff Doucette Harley Estin Actor Peter Baldwin Director David Steinberg Director J.D. Lobue Director Michael Lessac Director Tom Trbovich Director Michael Lassac Director Barton Dean Director Douglas Wyman Writer David Tyrone King Writer David Mirkin Writer Arnie Kogen Writer Tom Seeley Writer Miriam Trogdon Writer Stuart Kreisman Writer Michael Loman Writer Linda Campanelli Writer Robin Pennington Writer Norm Gunzenhauser Writer M.M. Shelly Moore Writer Chris Cluess Writer