Home People Jamie Croft Jamie Croft shows Jamie Croft shows Jamie Croft TV Shows (9) Heidi (2015) As Karl,Sebastian, Mr Keller, He was 33 years old Mrs Biggs (2012) As Sam, He was 31 years old Hercules (2005) As Young Hercules, He was 23 years old Farscape (1999) As 'Young' John Crichton, He was 17 years old Sun on the Stubble (1996) He was 14 years old Water Rats (1996) He was 14 years old Mission Top Secret (1994) He was 12 years old A Country Practice (1981) He was 0 years old Hallmark Hall of Fame (1951) He was 29 years old