That's a sharp observation. If you're referring to a movie starring Susan Sarandon and Julia Roberts, the most famous (and really, the only major) answer is "Stepmom" (1998) .
Stepmom is a perfectly fine, tear-jerking holiday movie, but its legacy is as a symbol of how Hollywood valued youth over talent when it came to the paycheck. That is likely what makes it an "interesting post." susan sarandon julia roberts movie
Here is why that film is such an "interesting" case study in casting and Hollywood dynamics: That's a sharp observation