As much as we adore the adult cast of This Is Us [1] (looking at you, Milo Ventimiglia [2]), we have just as much admiration for the children on the show. Six talented actors play younger versions of the Pearson triplets, but you probably didn't know that some of the young stars are actually older than their onscreen characters [3] in real life. Read on to see the major age differences in the cast ahead.

Mackenzie Hancsicsak, aka Adolescent Kate

Age on the show: 8-10
Age in real life: 10

Lonnie Chavis, aka Adolescent Randall

Age on the show: 8-10
Age in real life: 9

Parker Bates, aka Adolescent Kevin

Age on the show: 8-10
Age in real life: 10

Niles Fitch, aka Teenage Randall

Age on the show: 15
Age in real life: 16

Hannah Zeile, aka Teenage Kate

Age on the show: 15
Age in real life: 19

Logan Shroyer, aka Teenage Kevin

Age on the show: 15
Age in real life: 18