The naturalistic performances he gets out of his actors are amazing. You can feel much more for each character because of the actor's realistic delivery.
a nice documentary on Ken Loach is "CITIZEN KEN LOACH" (1997) directed by Karim Dridi for "Cinéma, de notre temps".
"It reminds me that we used to have an industrial heartland in my country too, until Margaret Thatcher stuck a dagger through it." - On the Ruhr region in Germany collecting his Europen Film achievement award