Question: who played in the movie a star is born with judy garland
[{'answer': 'James Mason', 'provenance': [{'wikipedia_id': '3450570', 'title': 'A Star Is Born (1954 film)', 'start_paragraph_id': 1, 'start_character': 95, 'end_paragraph_id': 1, 'end_character': 106, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Jack Carson'}, {'answer': 'Charles Bickford'}]