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.

Sunday Morning Sports Update
Kildare's Lauren Walsh Sits Third Place As Weather Disrupts Wistron Ladies Open
Kellie Harrington Reveals She's Coming Out Of Retirement
Three Kildare Players Have Been Named In Match Day Squad URC Against Zebre
Friday Morning Sports Update
Sarah Keane Confirmed As CEO Of Cricket Ireland
Jason Holland Will Step Down As Assistant Coach With New Zealand
Thursday Morning Sports Update