The movie will focus on Grace Kelly (Kidman) in her sixth year as princess after marrying Prince Rainier III of Monaco (Roth).
Roth has appeared on stage in Sam Shepard's The God of Hell. Kidman appeared on Broadway in The Blue Room and won the Academy Award for The Hours.
In addition, Broadway's Frank Langella is in talks to play the priest who brings the two together.
Don't show this again.