Sean “Diddy” Combs’s sex trafficking trial starts with opening statements in a high-profile case that will not be publicly broadcast. Here are the key players.

In the 1990s and 2000s, Sean “Diddy” Combs reigned over American hip-hop. He produced chart-topping albums, launched an influential record label, recorded hit songs, inked lucrative branding deals and catapulted hip-hop into a worldwide cultural force.