Interesting Connections

Jack Fisk directed this movie and is married to Sissy Spacek. Their daughter also appeared in this film.
However, all four of the actors who played siblings in this movie appeared with Sissy Spacek in another movie, plus Keith Carradine:

Tess Harper was in "Crimes of the Heart" (1986);
Beverley D'Angelo was in "Coal Miner's Daughter" (1980);
Amy Wright was in "Hard Promises" (1991)
Beau Bridges was in "Songs in Ordinary Time" (2000);
Keith Carradine was in "Welcome to L.A." (1977)