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 Tony Papenfuss First Darryl Actor John Voldstad Second Darryl Actor Ralph Manza Bud Actor Julie Brown Guest Star Frances Conroy Guest Star Robert Moberly Guest Star Robert Alan Chandler Guest Star Susan Cash Guest Star Michael Lemon Guest Star Dolores Ferraro Director David Mirkin Writer