Question: who does mark hamill voice in regular show
[{'answer': 'Skips', 'provenance': [{'wikipedia_id': '24553901', 'title': 'Regular Show', 'start_paragraph_id': 1, 'start_character': 594, 'end_paragraph_id': 1, 'end_character': 599, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '24553901', 'title': 'Regular Show', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 1182, 'bleu_score': 0.9770519621299951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12296416020985866989}, 'section': 'Section::::Production.:Voice cast.\n'}]}]