Ryan Hallahan

Chicago Fire - Season 8

Chicago Fire - Season 6

Chicago Fire - Season 4

Chicago Fire - Season 1

Chicago Fire - Season 9

Chicago Med - Season 9

Chicago Med - Season 10

Chicago Fire - Season 10

Chicago Med - Season 1

Chicago Fire - Season 13

Chicago Med - Season 6

Chicago Fire - Season 2

Chicago Med - Season 7

Chicago Fire - Season 12

Chicago Med - Season 4

Chicago Fire - Season 7

Chicago Med - Season 8

Chicago Fire - Season 5

Chicago Med - Season 5

Chicago Fire - Season 3

Chicago Med - Season 2

Chicago Fire - Season 11