The veteran trio has a combined age of 107 yet Andy Farrell wants his on-field ambassadors to stick around.
Ireland wing Mack Hansen is ready to make his return from injury on Saturday after over eight months on the sidelines.
Ireland went into last year’s World Rugby U20 Championship with very high hopes after clinching their second successive Six Nations age-grade Grand Slam and they lived up to that hype in the pool stages, following a high-scoring opening round draw with England in Paarl with victories over Australia and Fiji.
The Irish province always held the edge over spirited Dragons and the five points obtained leaves them firmly in the mix with three games remaining.
Academy graduate Matthew Devine impressed as Connacht blitzed Zebre 54-16 in the United Rugby Championship at Dexcom Stadium.
Ireland have made four changes to their starting XV for Thursday’s second pool match at the Junior World Championship.
England and Ireland clashed in a fiercely physical encounter during the pool stages of the World Rugby U20s Championship, resulting in a rare draw, only the second in the tournament's history.