New Delhi, Dec. 21 -- Famous siblings are nothing new. From the Hemsworth brothers to the Jonas trio, many stars share both family ties and careers. But celebrity twins are a rarer story altogether. Some twins have built their fame side by side, like Mary-Kate and Ashley Olsen, becoming a single brand in the public eye. Others look so alike that fans still struggle to tell them apart on screen. Then there are celebrities whose twin lives far from fame, working regular jobs and staying out of the spotlight. Here's a closer look at famous faces who have a twin you might not know about.

Scarlett Johansson, famous for her roles in blockbuster movies and the Marvel universe, has a twin brother, Hunter. Hunter is not a celebrity but an activis...