Ireland have called up Dave Foley, Jordi Murphy and Craig Gilroy ahead of this weekend's Six Nations game against England.
Foley, Murphy and Gilroy come in for the injured trio of Mike McCarthy, Sean O'Brien and Dave Kearney.
Cian Healy and Mike Ross return to the squad after proving their fitness.
Tadgh Furlong and Rob Herring are both suffering with thigh muscle injuries so will remain with their provinces to rehab.
Finlay Bealham, Rory Best, Sean Cronin, Ultan Dillane, David Foley, Cian Healy, Jamie Heaslip, Jack McGrath, Jordi Murphy, Tommy O'Donnell, Mike Ross, Rhys Ruddock, Donnacha Ryan, CJ Stander, Richardt Strauss, Devin Toner, Josh van der Flier, Nathan White
Keith Earls, Craig Gilroy, Robbie Henshaw, Paddy Jackson, Rob Kearney, Ian Madigan, Kieran Marmion, Luke Marshall, Stuart McCloskey, Fergus McFadden, Conor Murray, Jared Payne, Eoin Reddan, Jonathan Sexton, Andrew Trimble, Simon Zebo