Bob Newhart Dr. Robert "Bob" Hartley Actor Suzanne Pleshette Emily Hartley Actor Marcia Wallace Carol Kester Actor Peter Bonerz Dr. Jerome "Jerry" Robinson Actor, Director Bill Daily Howard Borden Actor Pat Finley Ellen Hartley Guest Star Oliver Clark Mr. Ed Herd Guest Star Bill Quinn Eddie, the Mailman Guest Star George Wyner Rex Pottinger Guest Star Fred Willard John Emil Tobin Guest Star Lillian Garrett Rita Montez Guest Star Merie Earle Mrs. Loomis Guest Star Lucien Scott Mr. Edgar Vickers Guest Star Larry Gelman Dr. Bernie Tupperman Guest Star Moosie Drier Howie Borden Guest Star Richard Stahl Bellboy Guest Star Howard Platt Dr. Phil Newman Guest Star Howard Hesseman Craig Plager Guest Star Renée Lippin Michelle Nardo Guest Star Jack Riley Elliot Carlin Guest Star Tom Patchett Producer, Writer Jay Tarses Producer, Writer Jerry Mayer Writer Charlotte Brown Writer Geoffrey Neigher Writer James Burrows Director Gordon Farr Writer George Tyne Director Jay Sandrich Director Roger Beatty Writer Robert Moore Director Lynne Farr Writer Alan Rafkin Director Coleman Mitchell Writer Bob Finkel Director Ray Jessel Writer Robert Garland Writer