In this Canadian television interview from 1979, Joan talks about her relationship with her sister and their "differences of opinion".
She discloses that the last time she spoke with her was during a telephone call before their mother's funeral.
In this short clip, Joan talks about Suspicion and the film's two endings.
This television interview took place not long after the release of Joan's 1978 autobiography, No Bed of Roses. This may have been one of the last television interviews Joan ever gave. Thanks to the CBC YTube channel for the video clips.