He scored a major part in a production but was contacted by Shortland Street producers who announced their intention to write Cortese a character specifically for him who was to play a major part in the serial.
Whilst visiting New Zealand in 2000, Cortese auditioned for the popular soap opera Shortland Street for the role of Geoff Greenlaw.
He did not receive the part and returned to England to star in the West End.
He was also a runner-up on Season 1 of NZ Dancing with the Stars in 2005.
Cortese trained at London's Central School of Speech and Drama.
Il décroche son premier gros rôle dans la série télévisée Deuxième Chance en 1999.
Il y interprète le personnage d'Eli Sammler, un jeune lycéen confronté au divorce de ses parents.
He later became one of the main members of the survivor group camped outside Atlanta and also after leaving the camp and finding Hershel Greene's farm.
You come back here and you just destroy everything! After the initial outbreak, Shane began to harbour feelings and an obsession for Lori, Rick's wife.
He believed himself to be a more deserving man for Lori than Rick, and was determined to fight to keep her and Carl safe at all cost.
Shane also showed his potential as a father during Rick's absence and developed an admiration for Carl and treated him as his own son.
"Mandy was a bit nervous in the beginning I remember," West recalled.