In entertainment, a "backroom deal" might refer to negotiations or agreements made privately, away from public scrutiny or the standard processes. This can include casting decisions made through personal connections rather than formal auditions.
Given the specificity of your request, I'll provide a general overview that might relate to what you're seeking, focusing on Mariah Carey: backroom casting mariah
He gestures to the contract.
No one has ever identified her. In 20 years of internet sleuthing, no friend, family member, or former colleague has come forward to say, "That’s my old classmate Mariah." In entertainment, a "backroom deal" might refer to