Bob Newhart Dr. Robert "Bob" Hartley Actor Suzanne Pleshette Emily Hartley Actor Marcia Wallace Carol Kester Actor Bill Daily Howard Borden Actor Peter Bonerz Dr. Jerome "Jerry" Robinson Actor, Director Gene Blakely Dr. Ralph Tetzi Guest Star Dick Wilson Milt Guest Star Michael Conrad Mr. Trevesco Guest Star Mariette Hartley Marilyn Dietz Guest Star Monty Margetts Nurse Guest Star Noam Pitlik Mr. Victor Gianelli Guest Star Rhoda Gemignani Joan Rossi Guest Star John Fiedler Mr. Emil Peterson Guest Star Teri Garr Miss Brennan Guest Star Renée Lippin Michelle Nardo Guest Star Florida Friebus Mrs. Lillian Bakerman Guest Star Howard Platt Dr. Phil Newman Guest Star Oliver Clark Mr. Ed Herd Guest Star Jack Riley Elliot Carlin Guest Star Larry Gelman Dr. Bernie Tupperman Guest Star Tom Patchett Writer Charlotte Brown Writer Jerry Mayer Writer Bill Idelson Writer Earl Barret Writer Barbara Gallagher Writer Peter Meyerson Writer Paul Lichtman Writer Martin Cohan Director, Writer Jay Tarses Writer Jerry London Director George Tyne Director Alan Rafkin Director Jay Sandrich Director Harvey Miller Writer Ray Jessel Writer Peter Baldwin Director Don Bustany Director