The duo are joined in the province's extended squad by both Ollie Le Roux and Jamie Heaslip who missed last weekend's 26-19 victory over the Ospreys in Swansea.
The squad also includes the likes of Brian O'Driscoll, Shane Horgan, Malcolm O'Kelly and Leo Cullen, who will be looking forward to locking horns with their fellow Irish internationals in the Munster side.
In the region of 2,000 Leinster supporters are expected to make the trip to Cork, continuing the impressive growth of Leinster's away support in recent seasons. Coach Michael Cheika will confirm his starting team and replacement on Thursday afternoon.
LEINSTER Squad (v Munster): Backs (11) - Chris Keane, Cillian Willis, Felipe Contepomi, Jonathan Sexton, Christian Warner, Gordon D'Arcy, Brian O'Driscoll (capt), Gary Brown, Luke Fitzgerald, Shane Horgan, Rob Kearney.
Forwards (14) - Juan Francisco Gomez, Cian Healy, Ollie Le Roux, Brian Blaney, Bernard Jackman, Stephen Knoop, Stan Wright, Leo Cullen, Cameron Jowitt, Malcolm O'Kelly, Keith Gleeson, Shane Jennings, Stephen Keogh, Jamie Heaslip.