Olivia Colman

Real name: Sarah Sinclair

Colman was born Sarah Caroline Olivia Colman and married Ed Sinclair in 2001, making her real name Sarah Sinclair. But her close friends – including David Mitchell – have always called her Collie.

Meryl Streep

Real name: Mary Louise Streep

More like this

Streep’s extremely mean character in Big Little Lies shares her real first name, Mary Louise. Luckily, that seems to be the only thing they have in common. Streep was named after her mother and grandmother who were both called Mary, and she named her daughter Mary, too. It was Streep’s father who came up with the nickname Meryl.