| antagonist(noun, part, appearance, character, lead) |
| bit part(noun, expression, part, appearance, character) |
| cameo(noun, text, part, appearance, character) |
| central role(expression, important, star, main, leading) |
| character(noun, part, appearance, lead, piece) |
| critical part(expression, importance, key, role, leading) |
| critical role(expression, importance, key, role, leading) |
| crucial part(expression, importance, key, role, leading) |
| dialogue(noun, text, part, appearance, character) |
| essential role(expression, importance, key, role, leading) |
| guiding role(expression, importance, key, role, leading) |
| important concept(expression, importance, key, role, leading) |
| important part(expression, importance, key, role, leading) |
| important role(expression, importance, key, role, leading) |
| integral role(expression, importance, key, role, leading) |
| key or vital(expression, importance, key, role, leading) |
| key part(expression, importance, key, role, leading) |
| lines(noun, text, part, appearance, character) |
| main role(expression, important, star, main, leading) |
| major role(expression, important, star, main, leading) |