Each movie can be guessed by its cast. These are character actors and secondary roles; none of the actors named is in the top four billed actors in its movies.
1. Geraldine Chaplin, Mary Beth Hurt, Robert Sean Leonard, Jonathan Pryce
Solved by George (comment #3).
2. Kiefer Sutherland, Kevin Pollak, J.T. Walsh , Christopher Guest
Solved by Christina (comment #5).
3. Dorothy Malone, Peggy Knudsen, Regis Toomey, Elisha Cook Jr.
Solved by Melville (comment #1).
4. Walter Brennan, John Ericson, Ernest Borgnine, Lee Marvin
Solved by George (comment #2).
5. Barbara Hershey, Richard Farnsworth, Joe Don Baker, Michael Madsen
Solved by Evn (comment #6).
6. Christopher Lloyd, Danny DeVito, Scatman Crothers, Vincent Schiavelli
Solved by Melville (comment #1).
7. Martin Sheen, Ray Winstone, Alec Baldwin, Kristen Dalton
Solved by Melville (comment #1).