Akambotambira England U16 muna 2011, Akaita mutambo wake wekutanga kuRepublic of Ireland U19 munaGunyana 2014, mukukunda 1<unk>0 kurwisa Netherlands U19. Musi wa4 Gunyana 2015, akaita mutambo wake wekutanga kuRepublic of Ireland U21 mukukunda 4-1 kurwisa Qatar U23 mumutambo wehukama kuGigg Lane. Musi wa 25 Kurume 2017, Cullen akatungamira Republic of Ireland U21s kuhwina 1-0 kukunda Kosovo U21 muEFAFA Under-21 Championship Qualifier
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