Kammala jumla mai zuwa: Bayan an haɗa shi da aikin na tsawon shekaru uku, Chalamet ya fito a cikin Luca Guadagnino's "Kira Ni da Sunanka", dangane da littafin da sunan iri ɗaya, na André Aciman. Labarin ya ta'allaka ne da Elio Perlman, wani saurayi da ke zaune a Italiya a cikin shekarun 1980, wanda ya ƙaunaci Oliver (Armie Hammer), ɗalibin jami'a wanda ya zo ya zauna tare da danginsa. A shirye-shiryen wannan rawar, Chalamet ya koyi yin magana da Italiyanci, da kuma kunna piano da guitar. "Kira Ni da Sunanka" an fara shi ne a bikin Fim din Sundance na 2017 don jin daɗin masu sukar; masu sukar sun nuna fifikon wasan kwaikwayon Chalamet. Olly Richards na "Empire" ya rubuta, "A cikin fim wanda kowane wasan kwaikwayon yana da ban mamaki, Chalamet ya sa sauran su yi kama da suna wasa. Shi kaɗai zai sa fim ɗin ya cancanci kallo". Jon Frosch na "The Hollywood Reporter" ya bayyana cewa babu wani wasan kwaikwayon a cikin shekara "ya ji kamar yadda yake da rai, ta jiki da kuma hankali" kuma ya haɗa da Chalamet a cikin jerin jerin wasan kwaikwayon mafi kyau na shekara. "Lokaci" kuma ya kira wasan kwaikwayon Chalamet daya daga cikin mafi kyawun shekara, yayin da "The New York Times" ya nuna shi a cikin jerin sunayen 'yan wasan kwaikwayo mafi kyau na shekara. Don aikinsa a cikin fim ɗin, ya sami lambar yabo ta Gotham Independent Film Award don Breakthrough Actor da Independent Spirit Award don Mafi kyawun Jagoran Maza, kuma ya sami gabatarwa don Kyautar Fim ɗin Zaɓin Masu sukar, Kyautar Golden Globe, Kyautar Screen Actors Guild, BAFTA Award, da Academy Award, duk don Mafi kyawun Actor. Shi ne mutum na uku mafi ƙanƙanta a tarihi da za a zaɓa don Kyautar Kwalejin Kyauta don Kyauta Mafi Kyawu da kuma mafi ƙanƙanta tun lokacin da Mickey Rooney mai shekaru 19 a cikin "Babes in Arms" a shekarar
A shekara ta 1939.