▁break ▁by ▁getting ▁a ▁small ▁role ▁in ▁A ▁Ch orus ▁Line ▁on ▁Broadway . ▁ ▁The ▁film ▁ends ▁after ▁a ▁baby ▁show er ▁at ▁the ▁a partment ▁is ▁held ▁for ▁the ▁S ull ivan ▁family ▁with ▁many ▁of ▁the ▁a partment ▁ten ants ▁present ▁to ▁celebr ate , ▁and ▁Christ y ▁and ▁the ▁rest ▁of ▁her ▁family ▁over look ▁the ▁view ▁of ▁the ▁city ▁and ▁look ▁out ▁for ▁Mate o ▁in ▁the ▁night ' s ▁sky . ▁ ▁Cast ▁ ▁P addy ▁Cons id ine ▁as ▁Johnny ▁S ull ivan ▁ ▁Sam anth a ▁Mort on ▁as ▁Sarah ▁S ull ivan ▁ ▁Sarah ▁Bol ger ▁as ▁Christ y ▁S ull ivan ▁ ▁Emma ▁Bol ger ▁as ▁A riel ▁S ull ivan ▁ ▁Dj imon ▁H oun s ou ▁as ▁Mate o ▁Ku ame y ▁ ▁M err ina ▁M ills app ▁as ▁Marina , ▁wait ress ▁at ▁the ▁" He aven " ▁ice ▁cre am ▁par lor ▁ ▁Ad rian ▁Mart ine z ▁as ▁Sh op keeper ▁ ▁Production ▁The ▁film ▁is ▁dedicated ▁to ▁director / screen writer ▁Jim ▁Sher idan ' s ▁brother ▁Frank ie , ▁who ▁died ▁at ▁the ▁age ▁of ▁ten . ▁In ▁The ▁M aking ▁of ▁in ▁America , ▁a ▁feature tte ▁on ▁the ▁DVD ▁release ▁of ▁the ▁film , ▁Sher idan ▁explains ▁Christ y ▁and ▁A riel ▁are ▁based ▁on ▁his ▁daughters ▁( and ▁co - writ ers ) ▁Na omi ▁and ▁K irst en . ▁He ▁says ▁they ▁wanted ▁to ▁make ▁a ▁film ▁showing ▁how ▁people ▁can