Home People Iain De Caestecker Iain De Caestecker shows Iain De Caestecker shows Iain De Caestecker TV Shows (6) Marvel's Agents of S.H.I.E.L.D.: Slingshot (2016) As Leo Fitz, He was 28 years old Marvel's Agents of S.H.I.E.L.D. (2013) As Leo Fitz, He was 25 years old Marvel's Agents of S.H.I.E.L.D. (2013) As Leopold Fitz, He was 25 years old The Secret of Crickley Hall (2012) As Percy Judd, He was 24 years old Young James Herriot (2011) As James Herriot, He was 23 years old The Fades (2011) As Paul Roberts, He was 23 years old
