Kristen Bell as Claire Rawlings, Michelle's personal assistant and single mom, who at first stops working for her, after Michelle's arrest.
Isabella Amara as 15-Year-Old Michelle Darnell.
Vivian Falcone as 10-Year-Old Michelle Darnell.
Chandler Head as 5-Year-Old Michelle Darnell.
She gets arrested by the FBI for insider trading and is on parole in the film.
Melissa McCarthy as Michelle Darnell, a powerful business woman, who was abandoned by several different families for an unknown reason, which caused her to have a bitter personality against the idea of having a family.
Now at her lowest point, Michelle wastes no time in devising a winner-take-all plan to rebuild her empire. With nowhere to go and no one to scam, Michelle is forced to move in with former assistant Claire and her young daughter, Rachel. After doing her time, Michelle emerges, ready to rebrand herself as America's latest sweetheart, but not everyone she steamrolled is so quick to forgive and forget. The story follows Michelle Darnell, a titan of industry who is sent to prison for insider trading, denounced by her former lover, Renault, who still holds a heavy grudge towards her for their breakup, after getting a promotion a few years ago.