Darcy is Susan Kennedy 's ( Jackie Woodburne ) nephew and a doctor .
Darcy Tyler , played by Mark Raffety , made his first screen appearance on 15 November 2000 .
Darcy Tyler is Susan Kennedy 's ( Jackie Woodburne ) Darcy Tyler and a doctor .
Darcy Tyler , played by Mark Raffety , made his first screen appearance on 15 November 2000 .