Hansen, Murray, Henderson and Kelleher in contention
Ireland head coach Andy Farrell will name his team later for Saturday's World Cup Pool B match against Tonga in Nantes.
Jack Conan is the only injury absentee and a decision has to be made whether or not to start captain Johnny Sexton.
Out-half Sexton played 66 minutes against Romania last weekend.
Mack Hansen, Conor Murray, Ronan Kelleher and Iain Henderson may be selected today.
Ireland struggled to shake off Samoa in their final warm up game.
And forward Tadhg Beirne feels there are lessons to be learned from that.
France face Uruguay in Pool A tonight.
There's an 8pm start time in Lille.