A portrait of Allen Ludden and a picture of Ludden and Betty White can be seen in this movie. The late Allen Ludden, better known as the host for Password (1961), was Betty White's husband.
Annie's car is a 1960 Cadillac Series Sixty-Two convertible (one of the finest years for Cadillac since WWII). It is a bit rare in that it is equipped with factory air conditioning - rare in a ragtop then.