Bob Newhart Dr. Robert "Bob" Hartley Actor Suzanne Pleshette Emily Hartley Actor Peter Bonerz Dr. Jerome "Jerry" Robinson Actor Bill Daily Howard Borden Actor Marcia Wallace Carol Kester Actor William Redfield Arthur Hoover Guest Star M. Emmet Walsh Jack Hoover Guest Star Helen Page Camp Myrna Hoover Guest Star Ted Foulkes Scottie Hoover Guest Star Robert Foulkes Eric Hoover Guest Star Ron Masak Mike Mitchell Guest Star Louise Lasser Mrs. Radford Guest Star Patricia Smith Margaret Hoover Guest Star Jack Riley Elliot Carlin Guest Star David Davis Writer Lorenzo Music Writer Jay Sandrich Director