What is referred to by 'brads small roles'?

What is referred to by 'bradley epps khayyam'? What is referred to by 'bradley sharif khayyam'? Based on the clue 'bradley whitford stockard channing won acting emm...', what is the answer? What is referred to by 'brads blockbusters'? Based on the clue 'bradycardia refers to a slow resting heartbeat thi...', what is the answer? Based on the clue 'bragi the god of poetry is the son of this chief n...', what is the answer? What is referred to by 'brahmaputra river a bay'? Based on the clue 'brahmin originally meant prayer in this ancient hi...', what is the answer?