Milo Ventimiglia: Our Favorite ‘This Is Us’ Jack Pics!

Milo Ventimiglia as a young Jack in NBC's 'This Is Us' Season 1
Milo Ventimiglia as Jack and Mandy Moore as Rebecca in the 'I Call Marriage' episode of 'This Is Us' Season 1
Mackenzie Hancsicsak as Kate, Lonnie Chavis as Randall, Milo Ventimiglia as Jack, Parker Bates as Kevin and Mandy Moore as Rebecca in the 'The Best Washing Machine in the Whole World' episode of 'This Is Us' Season 1
Mackenzie Hancsicsak as Kate and Milo Ventimiglia as Jack in 'The Big Day' episode of 'This Is Us' Season 1
Milo Ventimiglia as Jack in 'The Trip' episode of 'This Is Us' Season 1
Parker Bates as Kevin, Milo Ventimiglia as Jack and Lonnie Chavis as Randall in the 'Pilgrim Rick' episode of 'This Is Us' Season 1
Mandy Moore as Rebecca and Milo Ventimiglia as Jack in the 'I Call Marriage' episode of 'This Is Us' Season 1
Mandy Moore as Rebecca and Milo Ventimiglia as Jack in 'This Is Us'
Milo Ventimiglia as Jack in the 'Three Sentences' episode of 'This Is Us' Season 1
Milo Ventimiglia as Jack and Mandy Moore as Rebecca in the 'Three Sentences' episode of 'This Is Us' Season 1
Lonnie Chavis as Randall and Milo Ventimiglia as Jack in the 'Career Days' episode of 'This Is Us' Season 1
Milo Ventimiglia as Jack in the 'Career Days' episode of 'This Is Us' Season 1
Mandy Moore as Rebecca and Milo Ventimiglia as Jack in 'This Is Us'
Mandy Moore as Rebecca and Milo Ventimiglia as Jack in 'This Is Us'
Milo Ventimiglia as a young Jack in NBC's 'This Is Us' Season 1Milo Ventimiglia as Jack and Mandy Moore as Rebecca in the 'I Call Marriage' episode of 'This Is Us' Season 1Mackenzie Hancsicsak as Kate, Lonnie Chavis as Randall, Milo Ventimiglia as Jack, Parker Bates as Kevin and Mandy Moore as Rebecca in the 'The Best Washing Machine in the Whole World' episode of 'This Is Us' Season 1Mackenzie Hancsicsak as Kate and Milo Ventimiglia as Jack in 'The Big Day' episode of 'This Is Us' Season 1Milo Ventimiglia as Jack in 'The Trip' episode of 'This Is Us' Season 1Parker Bates as Kevin, Milo Ventimiglia as Jack and Lonnie Chavis as Randall in the 'Pilgrim Rick' episode of 'This Is Us' Season 1Mandy Moore as Rebecca and Milo Ventimiglia as Jack in the 'I Call Marriage' episode of 'This Is Us' Season 1Mandy Moore as Rebecca and Milo Ventimiglia as Jack in 'This Is Us'Milo Ventimiglia as Jack in the 'Three Sentences' episode of 'This Is Us' Season 1Milo Ventimiglia as Jack and Mandy Moore as Rebecca in the 'Three Sentences' episode of 'This Is Us' Season 1Lonnie Chavis as Randall and Milo Ventimiglia as Jack in the 'Career Days' episode of 'This Is Us' Season 1Milo Ventimiglia as Jack in the 'Career Days' episode of 'This Is Us' Season 1Mandy Moore as Rebecca and Milo Ventimiglia as Jack in 'This Is Us'Mandy Moore as Rebecca and Milo Ventimiglia as Jack in 'This Is Us'
Milo Ventimiglia: Our Favorite ‘This Is Us’…