Li Bingbing starred as the lead in the little-known film Snow Flower and the Secret Fan after Zhang Ziyi quit to focus on another movie. We doubt Ziyi is losing any sleep over this sneaky swap though.

British actress Samantha Morton had finished doing all the voice work for the title character in Oscar-nominated film Her. Sadly, the director replaced her with Scarlett Johansson during the editing process.

The director’s first choice to play Wolverine in X-Men was Russell Crowe but scheduling conflicts got in the way. The role then went to Hugh Jackman who made the character an icon.

Nicole spent 18 days on the set of Panic Room playing the role of Kristen Stewart’s mum, but had to resign after a knee injury she sustained got worse. Jodie Foster stepped in to replace her.

While we can’t imagine another actress starring opposite Leonardo DiCaprio in Romeo + Juliet, Claire Danes’s role belonged to Natalie Portman first. Producers decided she was too young in the end.

A #MeToo scandal saw Kevin Spacey kicked out of the last season of House of Cards but his woes didn’t end there. His scenes in All The Money In The World were reshot with Christopher Plummer instead.

Her turn in La La Land earned Emma Stone an Oscar but it could have easily gone to Emma Watson instead. After her initial casting nod, Watson left the project to join Beauty and The Beast instead.

Accusations of whitewashing caused Ed Skrein to leave his role as Major Ben Daimio in the Hellboy reboot but he was promptly replaced with Korean-American heartthrob Daniel Dae Kim.

Oscar winner Anne Hathaway was originally cast in romantic comedy Knocked Up before Katherine Heigl took over. Anne reportedly dropped out because of the graphic pregnancy scene at the end of the movie.