Suncroft's and Leinster out-half Sam Prendergast and Naas RFC's Andrew Osborne both start.
Ireland under-20 head coach Richie Murphy has made four changes to his team for Thursday's World Rugby Championship clash with Australia.
James Nicholson, Ronan Foxe, Charlie Irvine and Brian Gleeson all come into the team.
Centre Hugh Cooney misses out, having been red carded in the draw with England on Saturday.
Suncroft's and Leinster out-half Sam Prendergast and Naas RFC's Andrew Osborne are included in the starting team.
Scrum-half Jack Oliver is in line to win his first under-20s cap if introduced off the bench in South Africa.
The Ireland U20s Match Day Squad to face Australia this Thursday! 💪#FutureIsGreen | @PwCIreland
— Irish Rugby (@IrishRugby) June 27, 2023

Ireland Captain Leixlip's Nathan Collins "Heartbroken" After Last Night's Loss
Friday Morning Sports Update
Transgender Women Athletes Banned From Competing In Female Events At The Olympics
Naas's Jamie Osborne Returns For Leinster Clash With Scarlets
Countdown On For The ROI World Cup Playoff Semi-Final Against Czechia Tonight
Thursday Morning Sports Update
Kildare U20 Football Team & Panel vs Wicklow