This is Us is the new family drama that's got everyone talking — and if you've ever watched it for yourself, you probably understand why.
The show, which only premiered about three months ago, follows the lives of three siblings in both the past and present. Starring Mandy Moore and Milo Ventimiglia, the show manages to tug at our heartstrings every Tuesday night — which is why we're curious to know a bit more about the series and, more importantly, the actors behind the characters we love so much!
WATCH: See the cast of 'This is Us' Then and Now!
Click through the gallery to see all the shocking facts you need to know about NBC's new hit show, This is Us.