[[{'cast_id': 9, 'credit_id': '58e16af192514127e8004028', 'character': 'Narrator'}, {'cast_id': 7, 'credit_id': '58e16a969251412810003bd9', 'character': 'Himself'}, {'cast_id': 5, 'credit_id': '58e16a84c3a36872ee00412e', 'character': 'Himself'}], [{'cast_id': 0, 'credit_id': '54f358f8c3a368323200505b', 'character': 'Herself - Narrator (voice)'}], [{'cast_id': 2, 'credit_id': '5c3ac86f0e0a26442d0273c3', 'character': ''}, {'cast_id': 3, 'credit_id': '5c3ac8759251414dce74e223', 'character': ''}], [{'cast_id': 4, 'credit_id': '5f414ade47721500325d0096', 'character': 'Herself'}], [{'cast_id': 11, 'credit_id': '52fe44849251416c750378c7', 'character': 'Michael Vronsky'}, {'cast_id': 12, 'credit_id': '52fe44849251416c750378cb', 'character': 'Nikanor "Nick" Chevotarevich'}, {'cast_id': 15, 'credit_id': '52fe44849251416c750378d7', 'character': 'Stan'}], [{'cast_id': 2, 'credit_id': '5782b070c3a3685d4c001a59', 'character': ''}], [{'cast_id': 4, 'credit_id': '5b368cbc9251413c89029ecf', 'character': 'Josephine "Jo" March'}, {'cast_id': 11, 'credit_id': '5b369580c3a368531402856a', 'character': 'Amy March'}, {'cast_id': 15, 'credit_id': '5b807ba692514159e000043f', 'character': 'Margaret "Meg" March'}], [{'cast_id': 0, 'credit_id': '5b9420d40e0a26197b010131', 'character': 'Himself'}, {'cast_id': 1, 'credit_id': '5b9420f10e0a261975010458', 'character': 'Himself'}], [{'cast_id': 1, 'credit_id': '54a564d8925141212700b29c', 'character': 'Himself - Performer'}], [{'cast_id': 0, 'credit_id': '53a22d610e0a2622740004c2', 'character': 'Narrator, Host'}, {'cast_id': 2, 'credit_id': '5dd92ed93faba00013fbcb57', 'character': 'Himself'}], [{'cast_id': 13, 'credit_id': '5ea622327304b500206560df', 'character': 'Himself'}, {'cast_id': 1, 'credit_id': '5ea6217eec4552001f40b711', 'character': 'Himself'}, {'cast_id': 5, 'credit_id': '5ea621d69c24fc001dd5192f', 'character': 'Herself'}], [{'cast_id': 2, 'credit_id': '5bd0e8050e0a2627d0003eee', 'character': 'Himself'}, {'cast_id': 3, 'credit_id': '5bd0e837925141345500007c', 'character': 'Himself'}]] 

How to grab only Cast_id and character from this list of list ?