Question: who plays in the movie the mountain between us
[{'answer': 'Idris Elba', 'provenance': [{'wikipedia_id': '52437143', 'title': 'The Mountain Between Us (film)', 'start_paragraph_id': 1, 'start_character': 199, 'end_paragraph_id': 1, 'end_character': 209, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Kate Winslet', 'provenance': [{'wikipedia_id': '52437143', 'title': 'The Mountain Between Us (film)', 'start_paragraph_id': 1, 'start_character': 214, 'end_paragraph_id': 1, 'end_character': 226, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Dermot Mulroney', 'provenance': [{'wikipedia_id': '52437143', 'title': 'The Mountain Between Us (film)', 'start_paragraph_id': 6, 'start_character': 283, 'end_paragraph_id': 6, 'end_character': 298, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'answer': 'Beau Bridges', 'provenance': [{'wikipedia_id': '52437143', 'title': 'The Mountain Between Us (film)', 'start_paragraph_id': 3, 'start_character': 168, 'end_paragraph_id': 3, 'end_character': 180, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'answer': "Raleigh and Austin as Walter 's dog"}]