Bob Newhart
Robert Hartley (24 eps)
Suzanne Pleshette
Emily Hartley (24 eps)
Bill Daily
Howard Borden (24 eps)
Marcia Wallace
Carol Kester Bondurant (24 eps)
Patricia Smith
Margaret Hoover (7 eps)
John Fiedler
Mr. Emil Peterson (2 eps)
Archie Hahn
Bellman (2 eps)
Michael Lerner
Mr. Carolla (1 eps)
M. Emmet Walsh
Jack Hoover (1 eps)
Bernie Kopell
Dr. Arnold (1 eps)