Witt (suspended),Randall (shoulder injury),Hill (arm) and Williamson (knee)all missed last Saturday's 16-12 loss to Penrith at Penrith Park.
Witt resumed at five eighth after a week's supension,Randall is back at starting hooker after a week out with shoulder trouble while Williamson has missed six weeks with a knee injury.Hill has missed two games with a bicep injury.
The Manly NRL side to play the Dragons is:
Brett Stewart Scott Donald Terry Hill Ashley Alberts Chris Hicks Michael Witt Michael Monaghan (c) Jason King Chad Randall Brent Kite Steve Menzies Luke Williamson Ben Kennedy.
Mark Bryant Kylie Leuluai Shayne Dunley Sam Harris Glenn Stewartm Steve Matai.